Titan
<p>John Varley's monumental trilogy—<i>Titan</i>, <i>Wizard</i>, and <i>Demon</i>—has achieved cult status, hailed as a modern triumph of the imagination by critics and fans.<p>It begins with humankind's exploration of a massive satellite orbiting Saturn. It culminates in a shocking discovery: the satellite is a giant alien being. Her name is Gaea. Her awesome interior is mind-boggling—because it is a mind. A mind that calls out to explorers...and transforms all who enter.<p>