| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2005 | 978-0-9744428-3-9 | Crack the Case 2005 Edition | |
| 2011 | 978-0-9744428-4-6 | David Ohrvall | Crack the Case System: Complete Case Interview Prep |
| 2005 | 978-0-9744428-5-3 | David Ohrvall | Crack the Case: How to Conquer Your Case Interviews: 2006 Edition |