Lateral thinking involves logic and imagination at the same time, the attempt to find a logical explanation for strange circumstances. For example: A policeman saw a truck driver clearly going the worng way down a one-way street but he didn't try to stop him. Why not? The truck driver was walking. Four types of puzzles are featured, from the fairly simple "Tempting" and "Intriguing", to the tougher "Diabolical" and "Grisly". Cartoons illustrate the puzzles.