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The Infinity Engines #5
Tesseract
How far would you go to save your son?
The fifth book in the best-selling time travel series, Tesseract continues the story of Josh and Caitlin and their desperate search for their missing son, Zachary.
Taken beyond the borders of their continuum, they will need to recruit the greatest scientific minds of the twentieth century to create a powerful tesseract, a multi-dimensional portal that can unlock the alternate timelines of the Anunnaki.
But what they find will question everything they know about the origins of humanity.
The fifth book in the best-selling time travel series, Tesseract continues the story of Josh and Caitlin and their desperate search for their missing son, Zachary.
Taken beyond the borders of their continuum, they will need to recruit the greatest scientific minds of the twentieth century to create a powerful tesseract, a multi-dimensional portal that can unlock the alternate timelines of the Anunnaki.
But what they find will question everything they know about the origins of humanity.
400 pages, Kindle Edition
Published July 9, 2021
About the author
Andrew Hastie
29 books169 followersAndy was born in 1967, and grew up with a love of science fiction inspired by the TV shows of the late 70s. Having always had a creative eye, he graduated with a BA Honours in Graphic Design, and has gone on to have a successful career as a Creative Director within a number of digital agencies, creating award-winning work for some of the largest global brands. During this time he nurtured his passion for writing sci-fi and secured a commission with the BBC for his first script, The Department of Unknown Origins, a Victorian X-Files set in the Natural History Museum, exec produced by Jon Plowman and considered by BBC Drama and Sky One.
The Anachronist is his first novel, one of a three part series called 'The Infinity Engines.' You can find out more about it on his blog: www.infinityengines.com
He lives in Surrey with his wife, two teenage daughters and a troublesome puppy.
The Anachronist is his first novel, one of a three part series called 'The Infinity Engines.' You can find out more about it on his blog: www.infinityengines.com
He lives in Surrey with his wife, two teenage daughters and a troublesome puppy.
Ratings & Reviews
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Displaying 1 - 16 of 16 reviews
December 6, 2022
I finished the 5 book Infinity Engines series by Andrew Hastie. Overall, I really enjoyed this series. As I said before, if you enjoy history you will like these books. I liked all the characters. I found them interesting and their stories compelling. As to the last book, Tesseract, while I enjoyed it, mainly because I was attached to the characters, I was slightly let down by the last third of the book. Without giving any spoilers, the plot started to remind me too much of the film Stargate. Now, I enjoyed that film, I really did. But I was afraid this book was going to lean too much on that film. I'm pleased to say that it got itself back on course by the end, though.
August 9, 2026
Lots of time travel as normal with this series, but now also Continuum and Universe jumping.
An enjoyable read nonetheless - this one focussing on the main story arc.
An enjoyable read nonetheless - this one focussing on the main story arc.
February 7, 2026
I'm honestly not sure how many times the author can have world ending events or things that break what was known about time travel within each book, they seem to make these leaps forward in technology and really like to break the rules that they had laid out in previous books because otherwise the timeline breaks... unless of course you just wipe their memory and put them back where they were when you found them. The end of this book was a bit hard to follow, but it does have some fun moments in this book, which honestly might have been the motivation for writing several of the scenes in this book.
May 22, 2026
Tesseract still feels just as chaotic and all over the place as the rest of the series, but this time it was definitely easier to follow. The constant switches from chapter to chapter and person to person usually make the story hard to keep track of, but Andrew Hastie handled it better here than in the previous books. The pacing still jumps around a lot, but the connections between characters and plotlines felt smoother and easier to understand. It’s not the strongest book overall outside the series, but within the context of the series itself, this is a solid 4-star entry and one of the easier ones to stay invested in.
July 18, 2021
Loved it
What a thrill! I couldn't wait for this book to come out to see how things went. The ending felt a bit rushed, but still very satisfying. Overall with the story I still have questions about their version of time travel, such as how are there now thousands of versions of each person traveling the timeline? Not that it matters to enjoy the story. You have to let go of some of those questions and just go with it. I hope Andrew continues the series, although this arc is complete.
What a thrill! I couldn't wait for this book to come out to see how things went. The ending felt a bit rushed, but still very satisfying. Overall with the story I still have questions about their version of time travel, such as how are there now thousands of versions of each person traveling the timeline? Not that it matters to enjoy the story. You have to let go of some of those questions and just go with it. I hope Andrew continues the series, although this arc is complete.
May 2, 2022
So much of this book could have been ripped straight out of Stargate. The wormy parasite may as well be one of the Goa'uld, the parasite using a human host, the leaders pretending to be Egyptian gods, etc. It's just lazy.
Inaccurate use of homonyms again, which has been a problem throughout the series - the editor needs to learn the difference between 'taught' and 'taut', for a start.
Inaccurate use of homonyms again, which has been a problem throughout the series - the editor needs to learn the difference between 'taught' and 'taut', for a start.
June 30, 2022
Another
Another fine example of runaway suspension of disbelief. A few years ago I would not have believed that I would enjoy such a book, but when you ease into it by reading the whole series, you prepare yourself for some really wild stuff. I enjoyed it immensely!
Another fine example of runaway suspension of disbelief. A few years ago I would not have believed that I would enjoy such a book, but when you ease into it by reading the whole series, you prepare yourself for some really wild stuff. I enjoyed it immensely!
April 20, 2024
Mind Blown
I want to explain why I can't write more beautiful, intelligent, exquisite words for these books. They take you to places that you thought never existed, or perhaps you thought you couldn't believe. All that history. Free your mind.
I want to explain why I can't write more beautiful, intelligent, exquisite words for these books. They take you to places that you thought never existed, or perhaps you thought you couldn't believe. All that history. Free your mind.
August 13, 2022
Great book. Thoroughly enjoyed it
Read
June 4, 2023Fitting climax to the series with an epic battle and a happy ending.
June 14, 2023
Good book in the series.
March 27, 2024
Tesseract infinity engines book 5
A refreshing change to the genre, with characters who you will remember. I hope the last book lives up to expectations.
A refreshing change to the genre, with characters who you will remember. I hope the last book lives up to expectations.
September 28, 2025
Great book, great series
this series is awesome! The creativity is mind-blowing, and I totally loved it. all five books are so intense, the details, the imagery!
this series is awesome! The creativity is mind-blowing, and I totally loved it. all five books are so intense, the details, the imagery!
December 10, 2025
The problem with crushing these things back to back is that they all become one big story, but it's NOT a problem because the story is great.
May 5, 2026
What a turn of events 👀
May 30, 2022
Not where I expected the story to go! Full review to follow.
Displaying 1 - 16 of 16 reviews












