Embark on a Journey of Math, Mystery, & Adventure

Marvin the Math Cat Book Series

Marvin the Math Cat & the Hidden Blue Box (Marvin the Math Cat (US Edition)), by Heather Blackburn | Nicholas Blackburn
Marvin the Math Cat and the Mysterious Patio Garden (US Edition) (Marvin the Math Cat (US Edition)), by H. Blackburn | N. Blackburn
Marvin the Math Cat & Dusty's Secret Quest (US Edition) (Marvin the Math Cat (US Edition)), by H. Blackburn | N. Blackburn