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The Power of the Rosary

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The Power of the Rosary, by Gabriel Castillo, is more than a It is a theological bombshell, a detonator for spiritual renewal, and a lifeline for modern Catholics who feel lost in the storm. At once mystical, scholarly, and deeply personal, this work deserves to be placed alongside the classics of Marian devotion. It is The Secret of the Rosary for a new generation—expanded, clarified, and intensified.

From the very first pages, Castillo makes clear that the Rosary is not a sentimental string of beads for the weak but a divine weapon forged by the Queen of Heaven and designed to sanctify, deliver, and transform. With the precision of a scholar and the urgency of a preacher, he traces the Rosary’s roots from Sacred Scripture and the Gospels, through St. Dominic and Bl. Alan de la Roche, to Lourdes, Fatima, and the towering figure of St. John Paul II. Every chapter is saturated with insights from the greatest saints, grounded in tradition, and supported by the lived witness of souls who have been changed by Mary’s intercession.

Yet what makes this book shine is not just its doctrinal clarity but its deep intimacy. Castillo writes as one who has been saved by the Rosary. He speaks not just to minds but to hearts—to the young who are searching for purpose, to sinners trapped in mortal sin, to heartbroken parents, exhausted priests, and lukewarm souls in need of fire. His voice is bold but fatherly, convicting but compassionate.

Particularly illuminating is his teaching on mental prayer—how to truly pray the Rosary, and pray it well, using the method of the saints. He combines Carmelite mysticism with Dominican structure. It is here that mystical theology becomes tangible. Readers are not just invited to recite prayers but to encounter Christ face-to-face through Mary, to gaze into the eyes of Jesus in the mysteries of the Rosary, and to converse with God from the heart.

With clarity and conviction, Castillo

The true goal of the spiritual life and how the Rosary leads you thereWhy the Rosary is not just piety but theological genius and divine powerThe forgotten role of mental prayer and how to do it simply in the RosaryThe signs of spiritual warfare in your life and the way to use the Rosary to overcome every obstacleHow to discern what role the Rosary should play in your lifeHow to successfully implement the Family Rosary and share it with othersHow to pray with fire, conviction, and constancy—even in dryness and distractionThis book will pierce you. It will awaken you. It will challenge you to live differently. If you are willing to take up your beads and go to war with Mary at your side, you will not only change your life; you will help save the world, one bead at a time.

256 pages, Paperback

Published August 15, 2025

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About the author

Gabriel Castillo

23 books7 followers

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Displaying 1 - 28 of 28 reviews
Profile Image for Judgemental Toast.
170 reviews37 followers
September 19, 2025
Y'all NEED to read this book 💙

After The Secret Of The Rosary , this book is the best book on the Rosary! Gabi (from the youtube channel "GabiAfterHours") has played such a huge role in my reversion to serious Catholicism and continues to light my soul on fire for Our Lady and the Rosary.
Let me share with you some of my favorite snippets from this wonderful book:

"The Devil cannot be defeated by self-help alone. You need the help of the Mother of God. Take up the Rosary." - page 6

"-the holier you become, the more intensely yourself you become: more alive, more vibrant, more of who you were meant to be." page 13

"Mary loves you with all the love of every mother who has ever lived combined." page 21

"Mary never loses. So many hopeless battles have been won by the Mother of God for those who have placed their hope in her and the power of the Rosary." page 42

"The Rosary isn't just repeating the Hail Mary; it is first and foremost an encounter with Christ in the mysteries. The Hail Marys act as a sort of background song that stirs up the spirit, keeps distractions at bay, and acts as a timer for the encounter." page 57

"As one who was lost in sin, I know that a special grace is given after the fourth Rosary, and I know that if you persevere in all four, not only will you overcome your vices but every aspect of your spiritual life will be elevated." page 63

"When we make even a feeble grasp at meditation on the mysteries, it will bear fruit" page 75

"God is working in us, most especially when we pray in times of dryness and distraction." page 91

"Moments of consolation in mental prayer are similar to a well of water. Now that I have identified where the water is, I can easily go back to that well to get more to drink." page 98

"The Rosary is so powerful that just holding it out of devotion does great good. When a Christian picks up the rosary with confidence, this act alone causes demons to tremble...... Always carry a rosary with you." page 106

"...when we are in desolation, we should look back at the time of consolation and know that peace will return. When we are in consolation, hoard it like food for the winter. Know that desolation is imminent. so we need to prepare ourselves..... when in consolation, it is wise to write down our resolutions.... (The Blessed Sacrament is the) most fertile place for discernment. Consult with Jesus and Mary about everything." page 118

"Those who pray the rosary do more for the benefit of the whole human race than all the orators and deputies, more than all the organizers, secretaries and writers, more than all the capitalists even if they would make their entire wealth available to the Church. (quoting Servant of God Joseph Kentenich) page 144

"Signal graces are smaller "coincidences," and they come after you have resolved to do something. The grace comes as a confirmation or sometimes just as a wink from God letting you know He sees you. You aren't alone." page 148

"The Saints are alive. All the saints that you have a devotion to-you didn't choose them; they chose you!" page 156


What I found the most helpful tips, personally...
- Only pray the beginning prayers of the Rosary ONCE if you are saying multiple rosaries in the day.
- Don't be scrupulous about saying a "perfect" rosary... you can (and should) pray it while driving, working, ect.
- The only "badly said rosary" is the one you did NOT say.
- Literally HIS ENTIRE chapter on mental prayer!
- Ask for the grace to be faithful the to rosary.
- Always have a rosary on you.
Profile Image for Lisa Berns.
22 reviews1 follower
September 27, 2025
So good! If you don't already pray the Rosary, this book will motivate you to start. If you already pray the Rosary this book will make you want to either pray it more, or better.
Profile Image for Caroline.
19 reviews31 followers
August 21, 2025
Excellent book!! Definitely one I will buy for others! This book was so needed in this day and age. I really have not found another like it. 5 stars!
Profile Image for Jason Lara.
6 reviews
December 27, 2025
The Power of the Rosary is a compelling and deeply moving work that rekindles confidence in one of the Church’s most time-tested spiritual weapons. With clarity and conviction, it weaves together history, theology, and lived witness to show how the Rosary shapes both personal holiness and the course of the world. The book avoids sentimentality while still stirring devotion, presenting the Rosary as a disciplined, Christ-centered practice rather than a mere private comfort. Its examples feel especially relevant in an age marked by distraction, anxiety, and spiritual amnesia. By grounding Marian devotion firmly in Scripture and tradition, it speaks persuasively to modern readers seeking depth rather than novelty. For our time, there is no better book on the Rosary. It is both a summons to prayer and a guide for persevering faith.
Profile Image for Shelby Reed.
1 review1 follower
October 26, 2025
Seriously the best book I have EVER read. Thank you Gabriel. Ave Maria!
Profile Image for Peter Nguyen.
133 reviews10 followers
March 2, 2026
3.5 stars rounded up.

Listened to this book via Hoopla. I disagree with Castillo’s assessment of the Luminous Mysteries (at least in isolation, rather than when prayed in conjunction with the other 15 decades as one prayer), but it is refreshing hearing someone advocate, at a popular level, praying all the mysteries of the Rosary in a day. The testimonies and quotes from the saints were very fruitful.
1 review
February 28, 2026
I typically do not write reviews. However this book is powerful as the rosary is. If you want to learn about the rosary, this is the book for you. If you want to start praying the rosary, this is the book for you.
Profile Image for Ryan Morrissette.
32 reviews3 followers
November 11, 2025
The history, theology, philosophy, and wisdom packed into this book is astounding. 6/5
42 reviews
February 6, 2026
Such a good tool to learn more about the rosary. It is an easy to read and easy to understand book that motivated to pray my rosary more often. At first, I thought, "I'd never be able to pray 4 rosaries a day!" Then I started monitoring my screen time and was shocked at how much time I was spending a day on social media and games. I've upped my game in prayer department. Now I make my 4 rosaries most days.
Profile Image for Iri.
286 reviews16 followers
January 8, 2026
Finding Gabi on YouTube was a gift. That he published a book was a second one. Perhaps in this volume there was not much new information for me personally, but from the words it contains you can almost tangibly feel that every single one of them (with the exception of the final chapter) arises from the author’s direct experience. Even the way the book was written (before the tabernacle) is, in itself, a testimony.

And that is something I value perhaps even more than cold, dogmatic texts which may challenge the human intellect, but not the heart.
Profile Image for Kim.
325 reviews5 followers
December 1, 2025
The best Rosary book ever! A must read!
Profile Image for B+.
112 reviews
December 28, 2025
Perfect book for anyone interested in the rosary it’s definitely the modern The Secret of The Rosary.
Profile Image for Cal Smith.
170 reviews1 follower
January 1, 2026
Surprised to hear my good friend Jesse’s Rosary testimony in the last chapter of the book!
Profile Image for Pierce.
5 reviews
March 18, 2026
I recently listened to the audiobook version of The Power of the Rosary written and narrated by Gabriel Castillo on Spotify.

Castillo shares how praying the rosary transformed his own life and highlights the many blessings that he has received along the way.

He reminds us that the Blessed Virgin Mary is our mother who advocates on our behalf and tells us to "Do whatever He tells you." (John 2:5)

The author does a great job of explaining that the rosary - while Marian in expression - is inherently Christological in nature. What better way of growing in our relationship with Jesus than by walking with Him through Mary's "yes" to God? (Luke 1:38)

Integrating the rosary into your life can seem like a daunting task, but Castillo encourages readers/listeners by giving them practical advice about how to get started and stay on track.

The rosary isn't a magic spell for obtaining heavenly favors at will. It's a spiritual exercise in submitting to God's will and trusting in His plan for our lives. But maybe it's that very Faith that Christ says can move mountains (Matthew 17:20) that is the real power of the rosary.

In the words of the late Pope Francis: Ad Iesum per Mariam!
2 reviews1 follower
August 24, 2025
Life changing book. I’ve been praying the daily rosary for years, but after I followed the advice and insights presented in this book I felt like I only just started praying it for the first time. Our Lady continues to do great work through Gabriel and this book lives up to the legacy of de Montforts “Secret of the Rosary” from which it took inspiration. My copy was signed and stamped as a 3rd class relic of St Dominic. I’d recommend this book to anyone and everyone who has a devotion to the most Holy Rosary
Profile Image for Morgan Marburger.
4 reviews1 follower
March 6, 2026
Was not super devoted to the Rosary - and then my home priest gifted me this book! This book provided an incredible wealth of knowledge and background information on how we received the rosary, why it’s prayed, and how to be meditative and different aspects to dwell on when praying the rosary. Would totally recommend this book to anyone! It does not actually guide you through the prayers and what to say on which bead, but it helps give insight into why we pray to Mary and how generous she is.
Profile Image for Steven Nowak.
112 reviews
November 7, 2025
this book is powerful and full of wisdom. It is the greatest book on the Rosary since St. Louis De Montfort's. In fact, Because its up to date and has important apparitions such as Fatima... I think its slight better

Well Done Gabriel !
Profile Image for Jess.
30 reviews
March 12, 2026
This book strikes a perfect balance between information on the history of the Rosary, encouragement to pray the Rosary, and practical tips. I particularly enjoyed the section on mental prayer and the list of steps applying it to the Rosary.
Profile Image for Beth Peyton.
3 reviews
October 24, 2025
I literally could not put this book down. I have read all the books, articles, etc. about why I should pray the rosary. This book changed me.
Profile Image for Amy.
1 review
October 25, 2025
Such a beautiful book! Definitely worth reading over and over again as a reminder of the beauty of praying the rosary.
Profile Image for Tess.
240 reviews4 followers
November 17, 2025
A must read and very thought reflective
Profile Image for Emma McClure.
51 reviews2 followers
March 25, 2026
Really good modern guide to the rosary! Lots of great practical tips and testimonies. Inspires you to want to pray the rosary more.
Profile Image for Jenni Filipi.
8 reviews1 follower
September 8, 2025
3 stars for 3 sets of mysteries. People get confused that the Luminous mysteries are a rosary, but it’s a chaplet and they should still recite the Joyful mysteries on Thursday. Think of all the rosaries missed in Thursday because of this misunderstanding.
73 reviews
December 11, 2025
Enjoyed this debut book from Castillo. It feels very much like he is talking to you as he does in one of his videos or in person. This style really works for 'The Power of the Rosary.'

This book served as a great reminder of the purpose, power, and importance of the Rosary. I appreciated the tips for prayer and call outs to support praying the Rosary in various states of life and vocations.

I don't think there is anything necessarily new put forward by this book, but it is probably the best one-stop-shop that discusses praying all four Mysteries daily. I think this would make a good primer to 'The Secret of the Rosary' for those who aren't ready to jump fully into that one yet.

I think this book could be a great resource for those interested in learning more about the Rosary or deepening their devotion to Our Lady.
Displaying 1 - 28 of 28 reviews