My Best Puzzles in Mathematics Author:Hubert ("Caliban") Phillips These 100 witty, catchy puzzles by one of the most ingenious problem creators now living (as of 1961) will provide solvers with dozens of challenging situations to disentangle, and hours of delight in the process. Hubert Phillips ("Caliban" to his NEW STATESMAN readers) has had thousands of puzzles published in books, newspapers, and magazines ... more »over the last quarter of a century, and here is the cream of his varied crop, as selected by Caliban himself.
The mathematices required is elementary, but don't be fooled by this fact! It may be perfectly true that you'll never have to use the calculus to solve these puzzles, but they do require a logical mind and clear thinking of the first order--qualities less common, perhaps, than a knowledge of calculus. If you enjoy mysteries, if you have a flair for spotting subtle relationships, if you can hold several possibly-contradictory statements in your mind while weighing the merits of another--then you'll find these crytic puzzles a superb test of skill.« less