Don't Panic: collected together in the Hitchhiker's Guide Trilogy are the five titles that comprise Douglas Adams' wildly popular and wholly remarkable comedy science fiction series, with a special introduction from the author.The Hitchhiker's Guide to the GalaxyOne Thursday lunchtime the Earth gets unexpectedly demolished to make way for a new hyperspace bypass. For Arthur Dent, who has only just had his house demolished that morning, this seems already to be rather a lot to cope with. Sadly, however, the weekend has only just begun. The Galaxy may offer a mind-boggling variety of ways to be blown up and/or insulted, but it's very hard to get a cup of tea.