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Charlie Thorne and the Last Equation

Twelve-year-old Charlie Thorne is a supergenius and the world’s best chance at finding Albert Einstein’s lost equation, which can save the world – or destroy it. Can Charlie outsmart terrorists, the Mossad, and the CIA to make sure the equation ends up in the right hands?
Ages 11+
Pages 400
Publisher Simon & Schuster
Coming Dec 2023

Average Rating

435 Reviews

Featured Reviews

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Engaging and interesting!

Review by Asa

Stuart Gibbs's books are both hilarious and exciting, and this book was no exception. It had the unbeatable combination of a great plot, intriguing characters, and awe-inspiring locations.

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Charlie Thorne and The Last Equation by Josh

Video review by Josh

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Charlie Thorne and The Last Equation by Josh
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Charlie Thorne and the Last Equation

Video review by Josh

Click below to see the video!

Charlie Thorne and the Last Equation

Reader Reviews

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I’m in love

Review by Number07

This is the best book!! I’ve gotten so many books fron PJ and I still think this one is the best. Even all the books from the library aren’t as good as this one! I even let my friend barrow it! lol! ❤️

Feb 04, 2025 05:55 PM
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Great book!

Review by NSA8413

Loved this book.

Jan 08, 2025 09:46 PM
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Incredible

Review by RallyBoy

I have read most of the series and this book is amazing and my favorite. It is a mystery, action packed, and pretty funny. five stars obviously.

Jan 08, 2025 07:33 PM
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Amazing!

Review by Ellie627

This book is action-packed and full of excitement! It is part of a series where the main character goes on tons of adventures and solves mysteries all over the world! A must-read!!!

Jan 07, 2025 08:13 PM
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Fun!

Review by nj10

Being a fan of Stuart Gibbs, he did not dissapoint

Jan 03, 2025 09:52 PM