Steam is rising over Discworld, driven by Mister Simnel, the man with a flat cap and a sliding rule. He has produced a great clanging monster of a machine that harnesses the power of all of the elements-earth, air, fire, and water-and it's soon drawing astonished crowds. To the consternation of Ankh-Morpork's formidable Patrician, Lord Vetinari, no one is in charge of this new invention. This needs to be rectified, and who better than the man he has...

This outrageous volume contains six zany, out-of-this-world adventure stories by this incomparable novelist. From the very first to the very latest-all best sellers-includes The Hitchhiker's Guide to the Galaxy; The Restaurant at the End of the Universe; Life, the Universe and Everything, So Long and Thanks for all the Fish; Young Zaphod Plays it Safe; and Mostly Harmless.