Derrick Niederman

• Inspector Forsooth's whodunits
• The Inner Game of Investing
• Number freak
• Number Freak From 1 To 200 The Hidden Language Of Numbers Revealed
• Whodunnits
• A killing on Wall Street
• Casse-têtes énigmatiques
• Classic brain twisters
• Classic Whodunits
• Giant Flip Book
• Hard-to-Solve Math Puzzles
• Inspector Forsooths Minimysteries