First a legendary radio series, then a sequence of bestselling books, and most recently a blockbuster movie, The Hitch Hiker's Guide to the Galaxy is one of the greatest fictional enterprises of the twentieth century. Reissued in time for the first novel’s thirty-fifth anniversary, this hardback omnibus edition includes all five parts of the trilogy, along with a wealth of extra material prefaced and contextualised by Jem Roberts, the official biographer of Douglas Adams, to complete the canon. This unique hardback edition is indispensable for any would-be galactic traveller, and a must-read for all Douglas Adams fans.