Product Description: It’s not elementary, but you will need Holmes’s famed powers of deduction to solve these crafty puzzles. Here’s how it goes: at the end of each conundrum, you’ll find at least one condition—and sometimes more—that the solution must meet...read more

Product Description: Expand your powers of deductive reasoning. From detective stories to enchanting puzzles set in a magic land, these brainteasers demand imagination, logic, and an ability to think outside the box. Try to figure out how a little backstage whistling can lead to death...read more

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Product Description: Even if you start out with a brain that's operating perfectly well, by the time you're halfway through these 36 whodunit puzzles you'll be lucky if you can remember your name! You start by getting caught up in an argument among some musicians, and try to find out who started it; then the dispute turns more serious, when one of the choir members gets murdered...read more

Gathers word games, puzzles, logic problems, and spatial problems, and includes tips and solutions for each puzzle

The reader's skills in logic and mathematics are tested by a series of thirty-six puzzles

Product Description: This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible...read more