IMPROVING YOUR IQ POTENTIAL We all have an IQ but rarely do we use it to its full potential. These set of IQ books - “IQ CHALLENGE” and “IMPROVE YOUR IQ” by Popular Prakashan are mind stretching and entertaining puzzle books which will test your mental abilities to limit. You will find that logic, concentration and lateral thinking must all be called upon to solve each puzzle. In all the sets the puzzles are arranged in levels of ascending difficulty. One can access his progress in art of problem solving sharpening your wits at every stage. Hours of challenging fun lie ahead with this book….. So best of luck!!