One of the most extraordinary, imaginative and ambitious novels of the century: a history of the evolution of humankind over the next 2 billion years. Among all science fiction writers Olaf Stapledon stands alone for the sheer scope and ambition of his work. First published in 1930, Last and First Men is full of pioneering speculations about evolution, terraforming, genetic engineering and many other subjects.

Winner of the 1961 Hugo Award for Best Novel and widely considered one of the most accomplished, powerful, and enduring classics of modern speculative fiction, Walter M. Miller’s A Canticle for Leibowitz is a true landmark of 20th-century literature—a chilling and still-provocative look at a postapocalyptic future.

Six million years ago, at the very dawn of the starfaring era, Abigail Gentian fractured herself into a thousand male and female clones: the shatterlings. Sent out into the galaxy, these shatterlings have stood aloof as they document the rise and fall of countless human empires. They meet every 200,000 years to exchange news and memories of their travels with their siblings.

This is an extensive collection of short essays and other pieces by C. S. Lewis that have been brought together in one volume for the first time. As well as his many books, letters, and poems, Lewis also wrote a great number of essays and shorter pieces on various subjects. He wrote extensively on Christian theology and the defense of faith but also on various ethical issues and on the nature of literature and storytelling. In this essay collection we find a treasure trove of Lewis' reflections on diverse topics.

Best-selling science fiction superstars Larry Niven and Jerry Pournelle combine their talents with those of Steven Barnes in an extraordinary adventure of humankind’s first outpost in the farthest reaches of space. Light years from Earth, colonists land on a planet they name Avalon. It seems like a paradise—until native creatures savagely attack. It will take every bit of intelligence, courage, and military-style discipline to survive.