[en] 300 Toughest Riddles and Brain Teasers for Kids AMANDA B.
[en] [Mostly Ghostly 07] • R. L. Stine_Mostly Ghostly 07 Delacorte Books for Young Readers
[en] [Mostly Ghostly 07] • Freaks & Shrieks Delacorte Books for Young Readers
[en] Bletchley Park Brainteasers Quercus
[en] Paradox · the Nine Greatest Enigmas in Physics Broadway Books
[en] Brain Candy · Science, Paradoxes, Puzzles, Logic, and Illogic to Nourish Your Neurons Three Rivers Press
[en] Dental Floss for the Mind · A Complete Program for Boosting Your Brain Power McGraw-Hill Education
[en] 101 Bets You Will Always Win · The Science of the Seemingly Impossible St. Martin's Griffin
[en] The Autism Sourcebook William Morrow Paperbacks
[en] [Gutenberg 57336] • Ancient Britain and the Invasions of Julius Caesar Books for Libraries
[nl] A Series of Unfortunate Events #1: The bad beginning HarperCollins