by Ben Mezrich
First published 2019
Charlie Numbers is just a regular teenager, until he stumbles upon a mysterious device that hurls him back to the Ice Age. Suddenly, he finds himself facing off against towering woolly mammoths, saber-toothed cats, and a tribe of primitive humans. Outnumbered and outmatched, Charlie must use his wits and modern knowledge to survive this prehistoric nightmare. As he races to find a way back home, he uncovers a dark conspiracy that threatens to change the course of human history. Can Charlie stop the forces that seek to rewrite the past before it's too late?
Genres: science-fiction, historical-fiction, adventure, alternate-history
Vibes: fast-paced, suspenseful, thought-provoking
Tropes: fish-out-of-water, time-travel
Setting: Ice Age
Period: Prehistoric
189 pages · Kindle Edition · Simon & Schuster Books for Young Readers