Title: The Book of Perfectly Perilous Math: 24 Death-Defying Challenges for Young Mathematicians, Author: Sean Connolly
Title: POWER OF COMPUTATIONAL THINKING, THE: Games, Magic and Puzzles to Help You Become a Computational Thinker, Author: Peter William Mcowan
eBook $14.49 $19.00 Current price is $14.49, Original price is $19.00.