Leon Breedt (Breedt, Leon)

• 
  Agile Web Development With Rails
  by Dave Thomas, Mike Clark, James Duncan Davidson, David Heinemeier Hansson, Leon Breedt
  Softcover, Pragmatic Bookshelf, ISBN 0977616630 (0-9776166-3-0)
• 
  Agile Web Development With Rails: A Pragmatic Guide
  by Dave Thomas, David Heinemeier Hansson, Leon Breedt
  Softcover, Oreilly & Associates Inc, ISBN 097669400X (0-9766940-0-X)