The book of famous players of television clubs “What? Where? When?" and “Brain Ring”, members of the International Association of Clubs “What? Where? When?" popularizes intellectual games as an effective way to engage in leisure time and develop the creative abilities of people of all ages. The authors reveal the secrets of composing questions, introduce methods for training intellectual abilities, and share their rich experience in holding team tournaments “What? Where? When?" and “Brain Ring”. The collection contains question materials from tournaments organized by Moscow clubs “What? Where? When?" in the seasons 1997-1999