The title is a play on words, one meaning "the force which pulls" & the other being "extremely serious or important". It was serialized in Astounding Science Fiction, 4–7/53. Its 1st cloth publication was in '54. It was 1st published in paper in '58. Along with the novel itself, many editions (& most recent editions) of the book also include Whirligig World, an essay on creating the planet Mesklin that was published in the 6/53 Astounding. He published two sequels, a '70 novel called Star Light & a '73 short story called Lecture Demonstration. Mission of Gravity was nominated for a Retro Hugo Award for '54.For a profit & adventure Barlennan would sail thousands of miles across uncharted waters, into regions where gravity played strange tricks. He'd dare the perils of strange tribes & stranger creatures--even dicker with those aliens from beyond the skies, though the concept of another world was unknown to the inhabitants of the planet of Mesklin. But in spite of the incredible technology of the strangers & without regard for their enormous size, Barlennan had the notion of turning the deal to an unsuspected advantage for himself--a considerable enterprise for a being very much resembling a 15" caterpillar!

    Worlds that believe in magic consider it Darkness's mightiest talisman; and worlds of science consider it a lost artifact of some ancient and forgotten race. Some say the Heart enables its possessor to control people's minds and to amass wealth enough for a dozen lifetimes, while others think it capable of raising the dead, perhaps even changing the flow of time itself. But to all, the location of this fabled object has remained a mystery, until now. An isolated archaeological outpost has suddenly stopped responding to repeated requests for information. Sent to discover why, the "U.S.S. Enterprise" TM crew finds a devastated outpost and a dying scientist, whose last words fall on disbelieving ears: the Devil's Heart has been found. As the quest for the Heart unfolds, Captain Jean-Luc Picard discovers that beyond all the legends and age-old secrets lies an awful truth: whoever holds the Devil's Heart possesses power beyond imagining.

    Naked-hided, blunt toothed and blunt-fingered, Tully was the sole surviving member of his company -- a communicative, spacefaring species hitherto unknown -- and he was a prisoner of his discoverer/ captors the sadistic, treacherous kif, until his escape onto the hani ship The Pride of Chanur. Little did he know when he threw himself upon the mercy of The Pride and her crew that he put the entire hani species in jeopardy and imperiled the peace of the Compact itself. For the information this fugitive held could be the ruin or glory of any of the species at Meetpoint Station. Cover art by Michael Whelan

    Helliconia is emerging from its centuries-long winter. The tribes of the equatorial continent emerge from their hiding places and are again able to dispute possession of the planet with the ferocious phagors. In Oldorando, love, trade and coinage are being redisovered,This is the first volume of the Helliconia Trilogy -- a monumental saga that goes beyond anything yet created by this master among today's imaginative writers.

    . . measures that Lord Cavanaugh has no choice but to defy.  He recruits Adam Quinn, who once flew with the elite Copperheads--fighter pilots whose minds are literally one with their machines--to rescue his son.  Quinn assembles a crack force of Copperheads to steal out of the Commonwealth security zone and snatch Pheylan Cavanaugh from the conquerors.  Depending on the outcome, Quinn and his men will retum home as heroes or as the galaxy's most despised traitors--if they come home at all.

    The first half of the book follows the original plot closely, despite transforming the unremarkable protagonist Douglas Quail into a musclebound man of action. Frustrated with his life, Quail decides to purchase a memory of a two-week adventure on Mars because he can't afford the real thing. However, while under heavy sedation preparatory to the installation of the memory, Quail remembers that he actually was on Mars as an intelligence agent and killer. Now that he has recovered the memory which had been suppressed by his employers, his life is in jeopardy. Here the novel deviates from Dick's philosophical original, becoming a more pedestrian if exciting slam-bang chase thriller. Judged on its own terms, the book works and it's fun.Library JournalDouglas Quail's dreams are haunted by images of Mars--a place where he has never been--until his visit to a company that specializes in memory implants catapults him into a conspiracy that overturns the basic premise of his life. Based on the Philip K. Dick story, ''We Can Remember It for You Wholesale,'' this sf adventure (to be released as a movie in 1990) by one of the genre's most prolific and respected authors features fast-paced action and vivid imagery.

    But ten of Werel's years are over 600 terrestrial years. The lonely & dwindling human settlement is beginning to feel the strain. Every winter --a season that lasts for 15 years-- the Earthmen have neighbors: the humanoid hilfs, a nomadic people who only settle down for the cruel cold spell. The hilfs fear the Earthmen, whom they think of as witches & call the farborns. But hilfs & farborns have common enemies: the hordes of ravaging barbarians called gaals & eerie preying snow ghouls. Will they join forces or be annihilated?

    Works include:The Land That Time Forgot, The People That Time Forgot, Out of Time's Abyss

    Of the discovery of an alien race and of a kink in time that means humanity — whatever form it takes — will never again be threatened by acts of God.

    In Antarctica, a glacial earthquake swallows up a team of scientists...and exposes a mysterious monument older than the Earth itself. In Peru, archaeologist Dr. Conrad Yeats is apprehended by U.S. Special Forces...to unlock the final key to the origins of the human race. In Rome, the pope summons environmental activist Dr. Serena Serghetti to the Vatican...and reveals a terrifying vision of apocalyptic disaster. In space, a weather satellite reveals four massive storms forming around the South Pole...and three U.S. spy satellites disappear from orbit.These are the end times, when the legends of a lost civilization and the prophecies of the world's great religions lead a man and a woman to a shattering discovery that will change the fate of humankind. This is the ultimate voyage, a journey to the center of time, as awe-inspiring as the dawn of man--and as inevitable as doomsday. This is RAISING ATLANTIS....

    Earth has been dominated for 1,000 years by an alien invader—and man is an endangered species. From the handful of surviving humans a courageous leader emerges—Jonnie Goodboy Tyler, who challenges the invincible might of the alien Psychlo empire in a battle of epic scale, danger and intrigue with the fate of the Earth and of the universe in the tenuous balance.

    The characters are based on the science fiction TV series Firefly, which has achieved cult status.Five hundred years in the future, Captain Mal Reynolds, a hardened war veteran (on the losing side), ekes out a living pulling off small crimes and transport-for-hire aboard his ship, Serenity. He leads a small, eclectic crew who are the closest thing he has left to family -- squabbling, insubordinate, and undyingly loyal.When Mal takes on two new passengers -- a young doctor named Simon and his unstable, telepathic sister, River -- he gets much more than he bargained for. The pair are fugitives from a coalition that dominates the universe with unlimited wealth and power -- and that will stop at nothing to control River and her abilities. The crew of mercenaries, used to skimming the outskirts of the galaxy unnoticed, soon find themselves caught between the unstoppable military force of the Universal Alliance and the cannibalistic fury of the Reavers, savages who roam the very edge of space. Caught up in the fight to stay alive, they don't yet realize that their greatest danger may be on board Serenity herself....

    His dream for humanity nearly accomplished, the emperor hands over the reins of power to his warmaster, Horus, and heads back to Terra. But is Horus strong enough to control his fellow commanders and continue the emperor's grand design?

    The Hapes Consortium of 63 worlds is ruled by the Queen Mother, who wants Leia to marry her son, the dashing and wealthy Prince Isolder. Han Solo has always dreamed of marrying Leia himself, and now he makes a desperate last gamble to win her back. Soon he, Isolder, Luke Skywalker and Artoo will be at the center of an adventure leading to an awesome treasure, a group of Force-trained "witches," and a showdown with an invincible foe.Features a bonus section following the novel that includes a primer on the Star Wars expanded universe, and over half a dozen excerpts from some of the most popular Star Wars books of the last thirty years!

     As the Federation prepares to launch a counterstrike against the Dominion, Colonel Kira Nerys searches for a way to prevent another galactic holocaust. But when a newly discovered prophecy propels Jake Sisko on an impossible quest and threatens to plunge all of Bajor into chaos, Kira is forced to choose between being true to her faith...and being true to herself. Meanwhile, as the combined crews of Deep Space 9 and the Starship Enterprise struggle to stop a terrorist plot to destroy the station and the ship, lives change, new friendships are forged, and the shocking truth behind a grisly murder is revealed. THE ASTONISHING RENEWAL OF THE EPIC ADVENTURE.