C.M. · C. Maslanka · Christopher.M
| title | ISBN-13 | year of publication |
|---|---|---|
| "Guardian" Book of Puzzles | 978-1-872180-72-4 | 1990 |
| Mind Olympics | 978-1-897994-00-9 | 1995 |
| Professor Percival Pinkerton's Most Perplexing Puzzles | 978-0-88166-155-2 | 1988 |
| Pyrgic Puzzles | 978-0-85265-070-7 | 2006 |
| The Little Book of Puzzles | 978-0-9527456-0-0 | 1995 |
| The Pyrgic Puzzler: Classic Conundrums | 978-0-434-98075-8 | 1987 |
Fourth Estate · Guardian Books · Meadowbrook Pr · The Puzzle Club · William Heinemann Ltd