Written in 1987 for newcomers to a research network few had heard of, Ed Krol’s Hitchhiker’s Guide to the Internet explains gateways, domains and the young TCP/IP world with cheerful informality — an internet small enough to be toured in a pamphlet.
One of Project Gutenberg’s earliest etexts, it is now a primary document of the network’s childhood. Download the free EPUB for the internet before the web.