Penguin Books, 1972, Softcover, Book Condition: Good, Reprint
preface by author. Plain card cover with gold, green and blue coloured titles to the front panel and black and white coloured titles to the backstrip. "This book offers a series of simple but intriguing problems in thinking that require no special knowledge and no mathematics. The problems are designed to let the reader find out about his own personal style of thinking, its weaknesses and strengths, and the methods, latent in himself, that he never uses. Being right is not always important and error can lead to the right decision." -- from rear panel blurb. Inserted loosely into the book is a card for "the L game". Creasing to the book corners with rubbing to the book edges and panels. Sunning to the front panel. Browning and foxing to the textblock edges with quite noticeable foxing to the front endpapers. Scattered foxing throughout the text. Size: 8vo - over 7¾" - 9¾" tall. 160 pages, . Please refer to accompanying picture (s). Quantity Available: 1. Category: Psychology & Psychiatry; Self Help & Motivation. Inventory No: 0117571.