Chris Burton and Gary Thompson have compiled a fascinating collection of flyers advertising secret parties on the Bristol circuit in the 80s and conducted a series of interviews with the people behind the leading hip hop crews of the day. The result is a book that covers an area in Bristol's (and the UK's) musical development that has never before been documented. Nothing seemed to daunting for the young DJs, MCs and rappers as they took over abandoned buildings, moved in the sound systems and partied al night long. The only publicity was word of mouth and flyers. Many of the artists behind...

Secret wartime projects in code-breaking, radar and ballistics produced a wealth of ideas and technologies that kick-started the development of digital computers. This is the story of the people and projects that flourished in the post-war period. By 1955 computers had begun to appear in the market-place. The Information Age was dawning and Alan Turing and his contemporaries held centre stage. Their influence is still discernable deep down within today's hardware and software.