Introduction to Networks Companion Guide (CCNAv7): Cisco Networking Academy: 9780136633662: Amazon.com: Books,Programming and Automating Cisco Networks: A guide to network programmability and automation in the data center, campus, and WAN ( Networking Technology): Tischer, Ryan, Gooley, Jason: 9781587144653: Amazon.com: Books,Programming and Automating Cisco Networks: A guide to network programmability and automation in the data center, campus, and WAN (Networking