Robert Silverberg

Reconstructs from ancient sources the Seven Wonders of the ancient World: the Great Pyramid of Egypt; the Hanging Gardens of Babylon, the Statue of Zeus at Olympia, the Temple of Artemis of Ephesus, the Mausoleum of Halicarnassus, The Colossus of Rhodes, and the Lighthouse of Alexandria.

A biography of the nineteenth-century naturalist who devoted his life to studying American wildlife, climate, and geology.

"Updated and expanded from 2004's Phases of the moon, this mammoth collection contains twenty-six stories and novellas, along with a generous amount of introductory material. The result is the definitive one-volume overview of an extraordinary career"--p. [4] of cover.

This brilliant classic of speculative fiction imagines the aftermath of an extraordinary global occurrence that forces Earth's men and women to exist in parallel dimensions Like every other family, the Gaunts are devastated by the unexplained phenomenon that occurs one Tuesday afternoon in February. In an instant, every female on Earth is mysteriously transported to a different plane, forced to live apart from the males, who have been left behind....