The Blumenfeld Gambit [Pergamon Chess Openings] (Hardcover) → Paperback ISBN-13: 9780080371320 ISBN-10: 0080371329 ? The Blumenfeld Gambit [Pergamon Chess Openings] (Paperback) → Hardcover ISBN-13: 9780080371337 ISBN-10: 0080371337 Genre: Humor & Entertainment ? How to Think in Chess (Paperback) ISBN-13: 9781888690101 ISBN-10: 1888690100 Genre: Humor & Entertainment ? |