Livro usado em bom estado, levíssimos desgastes nas bordas e quinas, desgaste nas quinas da lombada, leve sujidade no corte, contém assinatura no corte e na capa, miolo perfeito. 20×13 cm , 160 pág. , brochura. Based on the tenet that an error can lead to the right decision, de Bono guides the reader through a series of non-mathematical problems and puzzles, all designed to help us analyze our personal style of thinking, work out its strengths and weaknesses, and to consider the potential methods that we never use.