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
Does a glass of ice water filled to the brim overflow when the ice melts? Does the energy inside a sauna increase when you heat it up? What's the best way to co
Crammed with a wide range of colourful, inventive and perplexing puzzles, this neat little book will engage even the least logical of minds. (From back cover).