Fully Convinced: How Faith Works, Why Doubt Wins, and What to Do About It

by Josh Wood, Don Wolabaugh (Foreword)

What if the reason many believers do not consistently see the promises of Scripture fulfilled in and through their lives is not because they lack faith, but because of hidden unbelief?

In Fully Convinced, Josh Wood explores one of the most important yet often misunderstood dynamics of the Christian how faith and unbelief operate in the heart of a believer.

Scripture repeatedly shows that faith produces powerful results, yet many Christians wonder why the promises of God do not seem as consistent in their lives as they were in the life of Jesus and the early church.

Drawing exclusively from Scripture and sharing from personal experience walking this out, this book unpacks how faith actually works, what unbelief is, why it undermines faith, and how believers can remove the barriers that keep them from walking in the life Jesus promised.

This is not a book about hype, formulas, or emotional moments. It is a biblical and practical guide to understanding faith, identifying unbelief, and aligning your life with the truth revealed in Christ.

Inside this book you will

How faith truly works according to ScriptureHow unbelief forms and how it quietly shapes expectations and outcomesWhat Jesus and the apostles taught about faith and doubtHow to remove unbelief and live in confident faithHow to walk more consistently in the abundant life Jesus promisedFully Convinced is written for believers at every stage of spiritual maturity who know there is more available in Christ and want to understand how to walk in it.

If you are not yet walking in every way as Jesus walked but desire to, this book is for you.

With a foreword by Don Wolabaugh, Senior Pastor of Harvest Chapel Abbottstown, Pennsylvania.

247 pages, Paperback

Published March 9, 2026

About the author

Josh Wood is a native of Amarillo, Texas. He and his wife, Careese, are graduates of Texas A&M University (Gig ’em). Josh went on to obtain his MBA from Baylor University (Sic ’em).

Newly wedded Josh and Careese made a number of definitive statements regarding their future, including the following classics: “We’ll never move back to Amarillo.” “We’ll have three or four kids. Those kids will never throw fits in Walmart.” “We’ll never home school our children.” “Home churches are weird.”

They live in Amarillo. They have nine kids. They home school. They are part of a home church. They’ve wiped numerous tears off the Walmart floor. Their hobbies include raising children and trying to avoid definitive statements about their future.