2019 HUGO AWARD FINALIST, BEST NOVEL The Hitchhiker's Guide to the Galaxy meets the joy and glamour of Eurovision in bestselling author Catherynne M. Valente's science fiction spectacle, where sentient races compete for glory in a galactic musical contest…and the stakes are as high as the fate of planet Earth. A century ago, the Sentience Wars tore the galaxy apart and nearly ended the entire concept of intelligent space-faring life. In the aftermath, a curious tradition was invented—something to cheer up everyone who was left and bring the shattered worlds together in the spirit of peace, unity, and understanding. Once every cycle, the great galactic civilizations gather for the Metagalactic Grand Prix—part gladiatorial contest, part beauty pageant, part concert extravaganza, and part continuation of the wars of the past. Species far and wide compete in feats of song, dance and/or whatever facsimile of these can be performed by various creatures who may or may not possess, in the traditional sense, feet, mouths, larynxes, or faces. And if a new species should wish to be counted among the high and the mighty, if a new planet has produced some savage group of animals, machines, or algae that claim to be, against all odds, sentient? Well, then they will have to compete. And if they fail? Sudden extermination for their entire species. This year, though, humankind has discovered the enormous universe. And while they expected to discover a grand drama of diplomacy, gunships, wormholes, and stoic councils of aliens, they have instead found glitter, lipstick, and electric guitars. Mankind will not get to fight for its destiny—they must sing. Decibel Jones and the Absolute Zeroes have been chosen to represent their planet on the greatest stage in the galaxy. And the fate of Earth lies in their ability to rock.

This collection puts together 20 of the best science fiction stories about Mars published over the past two decades by top-notch authors of the genre. An improbable group of astronauts are slingshot to Mars in cheap one-person, one-way jalopies in "Terminal," by Lavie Tidhar. In "The Cascade," by Sean McMullen, an affair between a shy robotics postdoc and an adventurous young woman change the destiny of the first landing on Mars. A penal colony on Mars violently clashes with a science base in "Falling onto Mars," a Hugo Award winning story by Geoffrey A. Landis. In "The Old Cosmonaut and the Construction Worker Dream of Mars," by Ian McDonald, the lives of a young Indian construction worker and an old Estonian cosmonaut collide during the terraforming of Mars by quantum machines. Two young girls are desperate to survive on the surface of Mars after their commune's underground compound is destroyed by comet strikes in "Hanging Gardens," by Gregory Feeley. In "Digging," by Ian McDonald, a project has been undertaken to create a breathable atmosphere on Mars constructing a valley so deep that the planet's thin atmosphere will be forced into it. An amusing step-by-step program enables potential potentates to find the right Mars to rule over in "How to Become a Mars Overlord," by Catherynne M. Valente. In the Hugo Award winning story "The Emperor of Mars," by Allen M. Steele, a laborer on a corporate-owned Martian colony transforms himself into royalty while coping with a tragedy on Earth. A young girl defies the conventional role she's fated for on Mars in "La Malcontenta," by Liz Williams. In "The Burial of Sir John Mawe at Cassini," by Chez Brenchley, a gravedigger uncovers many secrets at the burial of a hanged British nobleman on a Victorian Mars. A colonist provides a moving account of his life on Mars to inspire a new generation of Martians in "Martian Heart," by John Barnes. In "The Vicar of Mars," by Gwyneth Jones, a High Priest suffers hauntings after visiting an old, reclusive, wealthy woman on Mars. A rough and tumble Martian mining town reconstructs a lawman from the Old American West to restore order in "Wyatt Earp 2.0," by Wil McCarthy. In "An Ocean is a Snowflake, Four Billion Miles Away," by John Barnes, the rivalry between two documentarians, filming on Mars, puts them in peril as the planet is being terraformed. A corporation building New Las Vegas on Mars grooms a janitor for rock stardom to improve worker morale in "The Rise and Fall of Paco Cohen and the Mariachis of Mars," by Ernest Hogan. In "Martian Blood," by Allen M. Steele, an Egyptian-American astrobiologist travels to a Martian aboriginal settlement to prove his theory that life on Earth originated on Mars. Pilgrims, tourists, and locals visit the many monoliths of Mars to commune with their unknown builders through radio bursts in "The Monoliths of Mars," by Paul McAuley. In "The Martian Job," by Jaine Fenn, the greatest heist known to humankind, with many a double-cross, is pulled on the largest corporation on Mars. The first man to step foot on Mars recounts his life's story as mankind ends its colonization of the planet in "Mars Abides," by Stephen Baxter. And finally, in the Locus Award winning story "The Martian Obelisk," by Linda Nagata, a robotic crawler threatens the remote construction of a monument on Mars, by an architect on Earth, as it approaches the obelisk.

This collection highlights 20 stellar space operas published over the past 20 years by top-notch authors of the science fiction genre. A soldier fights for survival behind enemy lines, on an alien vessel, thousands of light-years from Earth in "On the Orion Line," by Stephen Baxter. A man aboard a ship in deep space wakes up from biostasis at the wrong time in "The Days Between," by Allen M. Steele. An astronaut in a damaged balloon struggles to survive 800 meters above the surface of a sea on Titan in "Slow Life" by Michael Swanwick. Two rival space-faring cultures vie for influence over the people of a forgotten human world in "The Third Party," by David Moles. One thousand people, aboard five generation starships, leave the Sol system to flee an enemy that threatens to destroy their way of life in "Mayflower II," by Stephen Baxter. Modified combat troops must deal with recalcitrant settlers on a planet being attacked by hostile aliens in "Bright Red Star," by Bud Sparhawk. Programmed military doppelgängers continue to carry out their missions long after the Quiet War's end in "Dead Men Walking," by Paul McAuley. Mathematicians seek to learn more from a civilization, on another planet, that spent three million years doing math in "Glory," by Greg Egan. Human diplomats must deal their own cultural biases while dealing with two representatives from warring factions on a newly discovered planet in "Saving Tiamaat," by Gwyneth Jones. Space pirates haul in booty aboard a living spaceship that doesn't quite smell right in "Boojum," by Elizabeth Bear & Sarah Monette. The constable in a settlement on a planet full of the tombs of a long-vanished alien race befriends a woman who researches dangerous hive rats in "City of the Dead," by Paul McAuley. A dying young man on a treasure hunt tries to save a world that's devoid of gravity and lit by artificial suns in "The Hero," by Karl Schroeder. An eternal, aboard a slower than light ship, is woken to investigate an unexplained signal emanating from the area of the ship's next stargate construction site in "The Island," by Peter Watts. An alienated teenager, in a domed iron city on a planet where a fundamentalist revolt is brewing, seeks to uncover her enigmatic tutor's long-held secret in "The Ice Owl," by Carolyn Ives Gilman. A woman recalls a childhood train journey, on a planet with a permanent dayside and a nightside of eternal darkness, to see a captured specimen of the Nightmare race in "Weep for Day," by Indrapramit Das. Peculiar mating rituals and divergent evolution have developed on a lost colony that has been out of contact with the rest of humanity in "Someday," by James Patrick Kelly. An aristocrat's trip to Venus, in search of her disgraced brother, is memorialized by papercuts of flora native to the planet in "Botanica Veneris: Thirteen Papercuts by Ida Countess Rathagan," by Ian McDonald. An enemy of the revolution, on a colonized planet, uploads a digital copy of himself into the body of a braindead boy in an attempt to escape off-world in "Jonas and the Fox" by Rich Larson. Set in the author's Machineries of Empire universe, an undercover agent infiltrates a space station to recover the crew of a lost ship in "Extracurricular Activities," by Yoon Ha Lee. And finally, the captain of a dustship musters her crew to escape from a trap set by Hunter-Killers in a game of cat and mouse amid the rings of a giant planet in "By the Warmth of Their Calculus," by Tobias S. Buckell.

The best-ever anthology of one of science fiction's most vigorous subgenres

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A “spectacularly smart space opera” that follows Ancestral Night in the Hugo Award–winning author’s White Space duology (Publishers Weekly, starred review). Meet Doctor Jens. She hasn’t had a decent cup of coffee in fifteen years. Her workday begins when she jumps out of perfectly good space ships and continues with developing treatments for sick alien species she’s never seen before. She loves her life. Even without the coffee. But Dr. Jens is about to discover an astonishing mystery: two ships, one ancient and one new, locked in a deadly embrace. The crew is suffering from an unknown ailment and the shipmind is trapped in an inadequate body, much of her memory pared away. Unfortunately, Dr. Jens can’t resist a mystery and she begins doing some digging. She has no idea that she’s about to discover horrifying and life-changing truths. Written in Elizabeth Bear’s signature “rollicking, suspenseful, and sentimental” (Publishers Weekly) style, Machine is a fresh and electrifying space opera that you won’t be able to put down. “Intelligently plotted and executed with flair, Machine is a taut sci-fi mystery thriller that eschews popcorn movie theatrics for immersive environments and memorable characters.” —Scott Whitmore, author of Green Zulu 51 “Ideal for fans of C. J. Cherryh, Ann Leckie, and Iain M. Banks.” —Booklist “An intricately plotted fusion of science fiction adventure and conspiratorial mystery.” —Kirkus Reviews “This fascinating read is perfect for [fans of Star Trek’s] Dr. Crusher.” —StarTrek.com