A remarkable epic of passion and courage, savagery and survival, Piers Anthony's "Geodyssey" is a saga unlike any ever written. It is nothing less than the story of humanity itself, told through the lives of a handful of extraordinary men and women reborn throughout history. Now, with" Climate of Change," Anthony introduces us to a new cast of characters, including Keeper, who knows the ways of nature, Rebel, a headstrong girl as brave as any man, Craft, a cunning inventor, and Crenelle, who use