La isla del silencio parcial / The Island of Partial Silence

New and challenging logic puzzles--the simplest brainteaser to the most complex paradoxes in contemporary mathematical thinking--from our topmost puzzle master. Our guide to the puzzles is the Sorcerer, who resides on the Island of Knights and Knaves, where knights always tell the truth and knaves always lie, and he introduces us to the amazing magic--logic--that enables to discover which inhabitants are which. Then, in a picaresque adventure in logic, he takes us to the planet Og, to the Island of Partial Silence, and to a land where metallic robots wearing strings of capital letters are noisily duplicating and dismantling themselves and others. The reader's job is to figure out how it all works--