Title: Math Games for Middle School: Challenges and Skill-Builders for Students at Every Level, Author: Mario Salvadori
Title: The Book of Perfectly Perilous Math: 24 Death-Defying Challenges for Young Mathematicians, Author: Sean Connolly
Title: The Book of Perfectly Perilous Math: 24 Death-Defying Challenges for Young Mathematicians, Author: Sean Connolly