Title: 100 Math Brainteasers (Grade 7, 8, 9, 10). Arithmetic, Algebra and Geometry Brain Teasers, Games and Problems with Solutions, Author: Bartholomew Dyda
Title: Brain Teasers, Author: Julia Gaskill
Title: Los mágicos números del Doctor Matrix: Conviértete en un maestro de los números, Author: Martin Gardner
Title: Riddledom: 101 Riddles and Their Stories, Author: David Astle
Title: The Sum of Numbers, Author: Carole Greene
Title: What Car Would You Drive If ... ?: A Fun Quiz Book About Car Models and Their Manufacturers, Author: Larry Collingwood