Will Solvit and the Cannibal Cavemen (with secret decoder)

Will Solvit is a regular ten year old - or so he thought. With the help of his dad's crazy inventions, Will finds himself with a trail of secret letters to decode and some scary cannibal cavemen on his tail

Featuring amazing fun facts, easy to read text, and a decoder with 30 secret codes to crack, Will Solvit makes a great companion for middle readers.