Classic Lateral Thinking Challenges Author:Paul Sloane, Des MacHale Time to check any assumptions at the door: lateral thinking puzzles demand a creative approach, an open mind, and an ability to construct a variety of possible answers before settling on the right one. Many of the questions don't even have enough information on their own for the solver to arrive at the solution; that's why every problem has addi... more »tional clues to guide you. Get into the swing of things with some simple Warm Ups and Elementary examples before moving on to the more challenging Workout, Strenuous, Super-Strenuous, Crime, and other puzzles collected here.« less