| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2004 | 978-1-931881-05-0 | Dennis Laganiere · Brad Ellis · David Davis | Nli's Study Guide for the CCIE R & S Written Exam 1.0, Second Edition |
| 2003 | 978-1-931881-06-7 | John Kaberna · Raymond Fund · Bill Lijewski | NLI's Cisco CCIE Routing and Switching Lab Guide - Volume 1 |
| 2005 | 978-1-931881-08-1 | Brad Ellis | CCBOOTCAMP's CCIE RS Written Exam Study Guide |