The international bestseller—now revised to include technology-based solutions to the challenges and opportunities we all face in the virtual world. The Time

1939 Retro-Hugo Awards Best Novella nominee A titan of the genre, Henry Kuttner, weaves a spellbinding tale of a time-traveling archaeologist in one of the most

A Wall Street trader leaves the bulls and bears - and comes face-to-face with hungrier dinosaurs. A Roaring '20s gangster gets roughed up - by real cavemen. A p

Professor Mortimer is bequeathed an old house in France by a former adversary: Miloch, the evil genius of SOS Meteors fame. Along with the house is a letter inv

When a time-traveler is mistakenly sent to Medieval Greece, he finds bandits, Crusaders—and his own evil twin—in this sci-fi series debut. In the 26th centu