Common Deer Press Books

Time-traveling kids seek fossil secrets to win a school challenge.

Lost in a garden, two friends seek a mathematician's help to decode a secret message.

Asha and Baz face volcanic dangers to win a school challenge.

Kids travel to 1942 to crack codes with a WWII codebreaker. Can they solve the mystery in time?

Two kids time-travel to 1941 to solve a coding challenge with Hedy Lamarr's help.

A math club's future hangs in balance as friendships fracture and a move looms.

A magic stick sends kids back in time to solve their rocket dilemma.

Grandma's sneezes turn her into marine reptiles. Can her grandkids catch her in time?

Can math solve the challenges of new teachers and classmates?

A cipher leads kids to a haunted house. Can they solve the mystery?

Can math solve a cryptic poem and clear a friend's name?

A missing teammate and a kidnapping test The Math Kids' problem-solving skills.

Three kids use math to tackle neighborhood burglaries and bullies.