A thirty-five dollar minicomputer about the size of a credit card, the Raspberry Pi has taken the world of computing by storm. Originally intended for teaching programming in schools, the device's low price, small size, and low power consumption have given it wide appeal. This entertaining, informative book reveals the vision behind the Raspberry Pi and the history of its creation. It describes the computer's hardware and the options it offers in terms of operating systems, software, programming languages, and peripherals. Readers also get a look at the lively Raspberry Pi community of tinkerers and their creative projects making use of the minicomputer.