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Publication Order of Non-Fiction Books
| Brainmakers | (1994) | Hardcover  Paperback  Kindle |
| At Large | (1997) | Hardcover  Paperback  Kindle |
| Corps Business | (2000) | Hardcover  Paperback  Kindle |
| A Perfect Mess | (2006) | Hardcover  Paperback  Kindle |
| Wrong | (2010) | Hardcover  Paperback  Kindle |