Cisco CCNA Routing and Switching 200-120 Official Cert Guide and Simulator Library

CCNA Routing and Switching Portable Command Guide (3rd Edition)

CCNA Routing and Switching Study Guide: Exams 100-101, 200-101, and 200-120

CCENT ICND1 100-101 Official Cert Guide and Simulator Library

CCNA Routing and Switching Deluxe Study Guide: Exams 100-101, 200-101, and 200-120

Todd Lammle's CCNA/CCENT IOS Commands Survival Guide: Exams 100-101, 200-101, and 200-120