Jeff O'Hare

• Puzzlemania + math =
• Puzzlemania Superchallenge
• Mathmania
• Puzzlemania + math =
• Big Book of Puzzle Fun
• Dragonball Z Book of Heroes (& Villains)
• Knee Slappers Side Splitters & Tummy Ticklers
• Puzzlemania
• Puzzlemania + Math Mathmania (Function) Highlights
• Searchin' Safari
• The Big Book of Winter Fun
• Beastly Behaviors