Jim Bumgardner (Bumgardner, Jim)

• 
  Beat the Clock Kakuro: 214 Easy to Hard Puzzles With Target Time Limits
  by Jim Bumgardner
  Softcover, Ulysses Pr, ISBN 1569755523 (1-56975-552-3)
• 
  Flickr Hacks
  by Paul Bausch, Jim Bumgardner
  Softcover, Oreilly & Associates Inc, ISBN 0596102453 (0-596-10245-3)
• 
  Masters Kakuro: 172 Challenging Puzzles
  by Jim Bumgardner
  Softcover, Ulysses Pr, ISBN 1569755531 (1-56975-553-1)
• 
  Simple Kakuro: 214 Beginner Puzzles
  by Jim Bumgardner
  Softcover, Ulysses Pr, ISBN 1569755515 (1-56975-551-5)