There's nothing better than a tricky brain teaser to test your intellect and satisfy your quest for mental challenge. The search ends with this colossal assortm
Comprising the entire brainteasing spectrum from the silly and quirky to the clever and profound and drawing on classic wisdom from around the world and from as
Discover the adventure and excitement of mathematical puzzles. Match your wits with the human computer. Sharpen your intellect, delight your friends and enjoy h
"Gr.4-6. From math, science, and logic puzzlers to word games to what's-wrong-with-this-picture challenges. Cartoon illustrations give the book pick-me-up appea