I think that this is the only book in English on the strong Brazilian grandmaster. Before he developed myasthenia gravis, he was felt to be likely the successor to Bobby Fischer. This book has 167 pages, and contains 24 heavily annotated games, plus many unannotated games and a 27 page summary of his life and career. It is in English algebraic notation. The author is a strong United States master. Many diagrams, one photograph and one cartoon augment the text. Lowest price on eBay for a lesser copy as of early November 2024 is $12.95. Buy my copy and save.