The fourth book of the series is devoted to opening schemes, which arise after the moves 1.e4 d6, or 1.e4 g6. These systems have proved their right of existence, despite the numerous attempts to refute them once and for all.

A Course in Game Theory presents the main ideas of game theory at a level suitable for graduate students and advanced undergraduates, emphasizing the theory's foundations and interpretations of its basic concepts. The authors provide precise definitions and full proofs of results, sacrificing generalities and limiting the scope of the material in order to do so. The text is organized in four parts: strategic games, extensive games with perfect information, extensive games with imperfect information, and coalitional games. It includes over 100 exercises.

The 'Chess Stars Openings' series present an entirely new approach to the study of chess openings, which can provoke the interest of chess players of all levels. Drawing examples from the games of today's leading grandmasters they present the principles of selection and successful employment of a harmonious opening repertoire, corresponding as close as possible to the style of a renowned master.

Ivan Sokolov, a famous grandmaster who has beaten world champions like Kasparov, Kramnik and Anand, has written a lucid guide on how to win chess middlegames, by addressing an almost universally ignored but extremely important topic: pawn structures.

"Beyond Reality: A Guide to Alternate Reality Gaming" serves as a comprehensive introduction to this fascinating topic. It covers various aspects of alternate reality gaming, including its history and development of an ARG game (e.g. the "puppet master" role). It also introduces components of ARG games, explaining to inexperienced players how to play an ARG and covers devices (such as GPS devices, etc.). Readers will get tips regarding ARG strategies and will be able to play their own sample "game" that is contained within the pages of the book.