Mark Fowler

• The Invisible Spy
• Logic Puzzles
• The Emerald Conspiracy
• The Crimebusters Investigate
• The Usborne book of superpuzzles
• The third Usborne book of puzzle adventures
• Codes & Ciphers/Usborne Superpuzzles, Advanced Level (Superpuzzles Series)
• Felton & Fowler's Famous Americans you never knew existed
• Felton & Fowler's More best, worst, and most unusual
• Footprint Files
• Lessons from the Homegoing of My Mother
• Logic Puzzles (Usborne Superpuzzles : Advanced Level)