This was a solid book. It's very much a "foundations" book in that's it's more for beginners to using Python for network applications. Also, it focuses on building network servers and clients using the standard library more than the more commonly used popular third-party libs, though certain libs are mentioned in sidebars. Generally, it's a nice introduction and overview, and useful for refreshing one's mind about network protocols, sockets, multitasking, etc. in Python.