"Worlds Without End" by John S. Lewis is a vintage nonfiction book published in 1998 by Perseus Books. It falls under the genre of science and explores the topic of planets, both known and unknown. The book is part of the Helix Books series and is written in English for an adult audience. With a focus on the exploration of planets and the science behind them, this paperback book offers readers a glimpse into the fascinating world of outer space in the 1990s.