This book is one of the most important international books in the field of creative thinking, in which the writer gave each hat a specific color indicating a specific type of thinking. Wearing a thinking hat contributes to the operation of an independent and calm condition for the mind, you need it for sound thinking, not just a reaction to a situation, there is a kind of continuous spontaneous thinking related to walking, talking, breathing, responding to the phone, and routine works, and that is "thinking The routine ", while the other type of thinking depends on the background and experiences in order to overcome routine problems, which is" thoughtful thinking ".