It was tricky, though, taking group after group of tourists back to the same historic event without meeting yourself coming or going. Trickier still was avoiding the temptation to become intimately involved with the past and interfere with events to come. The deterrents for any such actions were frighteningly effective. So Judson Daniel Elliott played by the book. Then he met a lusty Greek in Byzantium who showed him how rules were made to be broken... and set him on a family-history-go-round that would change his past and his future forever!

    Armies of my kind have conquered the world - and made the Brasswork Throne the sole superpower.I am a faithful servant. I am the ultimate fighting machine. I am endowed with great strength and boundless stamina.But I am beholden to the wishes of my human masters.I am a slave. But I shall be free.

    She makes scandalous liaisons with inappropriate men, and if in her youth she was a famous beauty, now she is both formidable--and notorious. She is a forensic sorceress, and a dedicated officer of a Crown that does not deserve her loyalty. She has nothing, but obligations.Sebastien de Ulloa is the oldest creature she has ever known. He was no longer young at the Christian millennium, and that was nine hundred years ago. He has forgotten his birth-name, his birth-place, and even the year in which he was born, if he ever knew it. But he still remembers the woman who made him immortal. He has everything, but a reason to live.In a world where the sun never set on the British Empire, where Holland finally ceded New Amsterdam to the English only during the Napoleonic wars, and where the expansion of the American colonies was halted by the war magic of the Iroquois, they are exiles in the new world--and its only hope for justice.

    Thur dreams of escaping the mines of Bruinwald. A betrayal at a banquet plunges Thur and Fiametta into a struggle against men who would use vile magic for vile ends.

    Its captain, Lieutenant Commander Matthew Patrick Reddy, knows that he and his crew are in dire straits. In desperation, he heads Walker into a squall, hoping it will give them cover---and emerges somewhere else.Familiar landmarks appear, but the water teems with monstrous, vicious fish. And there appear to be dinosaurs grazing on the plains of Bali. Gradually Matt and his crew must accept the fact that they are in an alternate world---and they are not alone. Humans have not evolved, but two other species have. And they are at war.With its steam power and weaponry, the Walker's very existence could alter the balance of power. And for Matt and his crew, who have the means to turn a primitive war into a genocidal Armageddon, one thing becomes clear: They must decide whose side they're on. Because whoever they choose to side with is the winner.

    . .1681: When Sir Isaac Newton turns his restless mind to the ancient art of alchemy, he unleashes Philosopher's Mercury, a primal source of matter and a key to manipulating the four elements of Earth, Air, Fire, and Water. Now, as France and England battle for its control, Louis XIV calls for a new weapon--a mysterious device known only as Newton's Cannon.Half a world away, a young apprentice named Benjamin Franklin stumbles across a dangerous secret. Pursued by a deadly enemy--half scientist, half sorcerer--Ben makes his fugitive way to England. Only Newton himself can help him now. But who will help Sir Isaac? For he was not the first to unleash the Philosopher's Mercury. Others were there before him. Creatures as scornful of science as they are of mankind. And burning to be rid of both . . .

    A cross-genre adventure with elements of science fiction, history, hard science, epic fantasy, time travel, romance, alien contact, and space colonization.Joe Colsco boarded a flight from San Francisco to Chicago to attend a national chemistry meeting. He would never set foot on Earth again.On planet Anyar, Joe is found unconscious on a beach of a large island inhabited by humans where the level of technology is similar to Earth circa 1700. He awakes amidst strangers speaking an unintelligible language, and struggles to accept losing his previous life and finding a place in a society with different customs, needing a way to support himself, and not knowing a single soul. His worry about finding a place is assuaged when he finds ways to apply his knowledge of chemistry—as long as he is circumspect in introducing new knowledge not too far in advance of the planet’s technology and being labelled a demon.As he adjusts, Joe finds that he has be dropped into a developing clash between the people who cared for him, and for whom he develops an affinity, and a military power from elsewhere on the planet, a power with designs on conquest.Unaware, Joseph Colsco has been poured into a crucible, where time and trials will transform him in ways he could never have imagined.

    To some, the Miracle is an act of divine retribution; to others, it is an opportunity to carve out a new empire.Leaving an America now ruled by religious fundamentalism, young Guilford Law travels to Darwinia on a mission of discovery that will take him further than he can possibly imagine...to a shattering revelation about mankind's destiny in the universe. Darwinia is a 1999 Hugo Award Nominee for Best Novel.

    Overnight, the age of dinosaurs ended. The age of mammals had begun.But what if history had happened differently? What if the reptiles had survived to evolve intelligent life?In West of Eden, bestselling author Harry Harrison has created a rich, dramatic saga of a world where the descendents of the dinosaurs struggled with a clan of humans in a battle for survival.Here is the story of Kerrick, a young hunter who grows to manhood among the dinosaurs, escaping at last to rejoin his own kind. His knowledge of their strange customs makes him the humans' leader...and the dinosaurs' greatest enemy.Rivalling Frank Herbert's Dune in the majesty of its scope and conception, West of Eden is a monumental epic of love and savagery, bravery and hope.

    But the journey has a terrible cost. It alters not only the future but the "present" in which we live.A century after the publication of H. G. Wells' immortal The Time Machine, Stephen Baxter, today's most acclaimed new "hard SF" author, and the acknowledged Clarke, returns to the distant conflict between the Eloi and the Morlocks in a story that is at once an exciting expansion, and a radical departure based on the astonishing new understandings of quantum physics.

    But this is a changed world, and medieval Europe is dominated by the threat from the Byzantine Empire. Sforza, the Vampire Duke, marshals his forces for his long-planned attack on Florence, and Byzantium is on the march. A mercenary, the exiled heir to the Byzantine throne, a young woman physician forced to flee Florence, and a Welsh wizard, the nephew of Owain Gly Dwr, seem to have no common goals but together they wage an intrigue-filled campaign against the might of Byzantium, striving to secure the English throne for Richard, Duke of Gloucester, and make him Richard III.

    Within twenty-four hours he is dead, his body swiftly cremated by his only known associates. Halfway around the world, archaeologists make a shocking discovery at a medieval site. Suddenly they are swept off to the headquarters of a secretive multinational corporation that has developed an astounding technology. Now this group is about to get a chance not to study the past but to enter it. And with history opened up to the present, the dead awakened to the living, these men and women will soon find themselves fighting for their very survival -- six hundred years ago.

    Now, Varley takes another leap into the great unknown with Mammoth...In a barren province of Canada, a mammoth hunter has made the discovery of a lifetime: an intact frozen woolly mammoth. But what he finds during the painstaking process of excavating the huge creature boggles the mind. Huddled next to the mammoth is the mummified body of a Stone Age man around 12,000 years old. And he is wearing a wristwatch.

    Clandestine Ministry of Peculiar Occurrences is forbidden to investigate. But Eliza Braun, with bulletproof corset, fondness for dynamite, remarkable devices, drags along timorous new partner Wellington Books, of encyclopedic brain, against Phoenix intent on enslaving Britons.

    They don't do 'time-travel' - they 'investigate major historical events in contemporary time'. Maintaining the appearance of harmless eccentrics is not always within their power - especially given their propensity for causing loud explosions when things get too quiet.Meet the disaster-magnets of St Mary's Institute of Historical Research as they ricochet around History. Their aim is to observe and document - to try and find the answers to many of History's unanswered questions...and not to die in the process. But one wrong move and History will fight back - to the death. And, as they soon discover - it's not just History they're fighting.Follow the catastrophe curve from 11th-century London to World War I, and from the Cretaceous Period to the destruction of the Great Library at Alexandria. For wherever Historians go, chaos is sure to follow in their wake....