The author of this book, Anatoly G. Vasilenko, the master of sports of Ukraine and international master of chess composition, member of the national teams of Kiev and Ukraine, champion of the 5th (1994-1997), silver medalist of the 6th (1998-2001) and 7th (2202-2005) of The World Team Championships (WCCT), multiple champion and winner of the personal and team championships of Ukraine in chess composition. The book contains his best chess problems for the 45-year period of creativity, 48 co-authors of his collective compositions are presented here, and in most cases it contains brief information about them and their work. Brief formulations of the most popular topics and terms are given. A thematic index of problems is given. The full results of the jubilee thematic competition “A. Vasilenko - 50" are published. The book is intended for a wide range of chess lovers.