Please refer to the photos for the condition. There are stains and folds, but no tears or writing. A practical book containing 94 techniques for solving problems in relationships and work. - Title: The Complete Mental Hacks for Changing Your Life - Author: Daigo - Contents: 94 techniques for solving problems in relationships, work, money, and love. - Copies sold: 2.7 million - Features: A collection of techniques useful for achieving daily goals.