Julian May

In the year 2034, Theo Quderian, a French physicist, made an amusing but impractical discovery: the means to use a one-way, fixed-focus time warp that opened into a place in the Rhone River valley during the idyllic Pliocene Epoch, six million years ago. But, as time went on, a certain usefulness developed. The misfits and mavericks of the future-many of them brilliant people-began to seek this exit door to a mysterious past. In 2110, a particularly...

In the final novel of the award-winning sci-fi saga, both humans and aliens face destruction as a new time-portal opens a path back to the twenty-second century. Human time-travelers from the sophisticated Galactic Milieu of the twenty-second century came to the Pliocene Epoch seeking a Garden of Eden. What they found was slavery under the knightly Tanu race, who had been exiled to Earth from a far galaxy. Freed by the usurper Aiken Drum, the humans...

Traces the evolution of the horse, from the early short legged relatives of eohippus through other prehistoric species to the modern horse.