In the WildPaperback, 1 October 2013

Designed for expert puzzlers, this collection is packed with our trickiest, most mind-boggling Hidden Pictures puzzles--without picture clues! Each book contains more than 100 intricate puzzles paired with only a list of objects to find. And for true puzzle masters, 16 puzzles come with no hints at all. Just right for experienced puzzlers ready to advance to the next level of difficulty.