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Title: Beginner Cross Figure Puzzles: Volume 1, Author: Neil Aggarwal
Title: Challenging Cross Figure Puzzles: Volume 2, Author: Neil Aggarwal
Title: Challenging Cross Figure Puzzles: Volume 1, Author: Neil Aggarwal
Title: Intermediate Cross Figure Puzzles: Volume 2, Author: Neil Aggarwal
Title: Killer Sudoku: FILE No. 25-0801, Author: James St Arnold
Title: Super Sudoku - 100+ Easy to Very Hard Puzzles: Sudoku, Wordoku, Samurai, Kakuro, and More!, Author: Two Tails Publishing