"Spelen." . . "Matemàtica recreativa." . . "Gry matematyczne." . . . . "Sciences et magie." . . "Puzzels." . . "Jeux mathématiques." . . "Unterhaltungsmathematik." . . "Matemáticas recreativas." . . "tal" . . "Goochelen." . . "Mathemagic : magic, puzzles and games with numbers"@en . "Mathemagic : magic, puzzles and games with numbers" . . . "Mathemagic : Magic, puzzles, and games with numbers. Ill. by Gerald Lynton Kaufman" . . . . "Mathemagic" . "Mathemagic"@en . . "Mathemagic, magic puzzles, and games with numbers" . . . "Math e magic : magic, puzzles, and games with numbers" . . "Math e Magic : Magic, puzzles, and games with numbers" . "Mathemagic : Magic, puzzles, and games with numbers. Illustr. by Gerald Lynton Kaufman" . . . . . . . "Mathemagic : magic, puzzles, and games with numbers"@en . "Mathemagic : magic, puzzles, and games with numbers" . . . . . "Math-e-Magic : magic, puzzles, and games with numbers"@en . . . . . . "Mathemagic: magic, puzzles, and games with numbers"@en . "Mathemagic: magic, puzzles, and games with numbers" . "Math e magic. Magic, puzzles and games with numbers" . . . . . "Mathemagic : Magic, puzzles, and games with numbers" . . . . "Math e Magic : Magic, Puzzles, and Games with Numbers" . . . . . . "Mathemagic : magic, puzzles, games with numbers"@en . . . . . . . . "Mathemagic. Magic, puzzles, games with number" . "Mathemagic - magic, puzzles, and games with numbers"@en . . "Gidsen (vorm)" . .