Ann Tonsor Zeddies spent her first three summers on a mountaintop in Idaho, and wanted to be a cowboy until she realized that the frontier had moved off the planet. Her interest in biology began at an early age, when she collected a bucket of assorted amphibians and turned them loose in the tent where she was living with her parents and younger brother. Her brother became a professional biologist; Ann chose to deal with strange life forms by writing science fiction. While working on earlier novels, "Typhon's Children "and "Riders of Leviathan" (written as Toni Anzetti), she swam in all of