Cisco Networking Essentials
Troy McMillan
Building Multi-Tenant SaaS Architectures
Tod Golding
Software Architecture Metrics
Neal Ford & Christian Ciceri & Dave Farley & Andrew Harmel-Law & Michael Keeling & Carola Lilienthal & João Rosa & Alexander von Zitzewitz & Rene Weiss & and Eoin Woods
Effective Programming
Jeff Atwood
The Art of Agile Development
James Shore