Sams Teach Yourself Networking in 24 Hours (4th Edition) by Uyless Black provides a structured, step-by-step introduction to network design, hardware, and administration through 24 one-hour lessons. The guide covers essential topics including the OSI model, wireless networking, security protocols, and troubleshooting across Windows, Linux, and UNIX systems. For a detailed breakdown of the curriculum, view the O'Reilly Media Fourth Edition Table of Contents . Sams Teach Yourself Networking in 24 Hours, Fourth Edition