Book Series · 5 Books

The Genius Files Books

In order from Mission Unstoppable to License to Thrill.

The Genius Files series is a set of 5 chapter books by Dan Gutman, published between 2011 and 2015. Written for ages 9–12, most books run about 300 pages. Subjects across the series include roadtrips, family life, and solving crimes.

Mission Unstoppable
Never Say Genius
You Only Die Twice
From Texas with Love
License to Thrill
Where the story begins

First Book in the Series

Mission Unstoppable
Sale price
$674
Book #1 · Chapter Book · Ages 9–12 · 2011

Mission Unstoppable

By Dan Gutman

Twins on a road trip face mysterious threats and secret codes.

304 pages· 51,368 words· Est. 5.5 hour read
$6.99Save 4%
Paperback
Summary: Twins Coke and Pepsi McDonald thought their family vacation was ordinary until danger struck. Chased by mysterious foes and decoding secret messages, they must uncover the truth about The Genius Files. From California's quirky museums to Wisconsin's oddities, their journey is a thrilling race against time. Can they outsmart the threats and solve the mystery before it's too late?
The complete set

The Genius Files Series

5 books · Published 2011–2015

Mission Unstoppable
Series
Sale price
$674

Mission Unstoppable

Chapter Book · Ages 9–12 · 2011

Twins on a road trip face mysterious threats and secret codes.

Never Say Genius
Series
Sale price
$674

Never Say Genius

Chapter Book · Ages 9–12 · 2012

Twins on a wild road trip face bizarre dangers and a relentless villain.

You Only Die Twice
Series
Sale price
$1597

You Only Die Twice

Chapter Book · Ages 9–12 · 2013

Twins on a wild road trip face deadly foes and shocking surprises en route to Graceland.

From Texas with Love
Series
Sale price
$799

From Texas with Love

Chapter Book · Ages 9–12 · 2014

Twins on a road trip face cryptic threats and hidden dangers in Texas.

License to Thrill
#5 in Series
Sale price
$759

License to Thrill

Chapter Book · Ages 9–12 · 2015

Twins face perilous adventures and villains on a wild road trip home.

Good to know

Common Questions

How many books are in the Genius Files series?

There are 5 books in the Genius Files series. It began with Mission Unstoppable in 2011, and the newest book, License to Thrill, was published in 2015.

What ages are the Genius Files books best for?

The series is best for ages 9–12, based on the age ranges of the individual books.

Which Genius Files book is the longest?

Mission Unstoppable is the longest book in the series at 51,368 words (304 pages).

Which Genius Files book is the shortest?

License to Thrill (Book #5) is the shortest at 42,799 words (272 pages).

The people

The Creative Behind the Books

The authors and illustrators who bring The Genius Files to life.

01

Dan Gutman

Author

Keep exploring

Similar Series

Half Upon a Time

Half Upon a Time

Ages 8–12
Addison Cooke and the Treasure of the Incas

Addison Cooke

Ages 8–12
The Adventurer's Guide to Successful Escapes

The Adventurer's Guide

Ages 8–12
The Wishing Spell

The Land of Stories

Ages 8–12
The Bad Beginning

A Series of Unfortunate Events

Ages 8–12
Jack and the Geniuses

Jack and the Geniuses

Ages 8–12
Story Thieves

Story Thieves

Ages 8–12
Turtle in Paradise

Turtle in Paradise

Ages 9–12

Bookroo

  • About Us
  • Blog
  • FAQs
  • Help Center
  • Contact Us
  • Affiliates

Book Clubs

Book Store

Schools

Book Platform

Authors & Illustrators

Follow Bookroo

© 2026 Bookroo
Terms of ServicePrivacy Policy