"The book consists of six nested stories that take us from the remote South Pacific in the nineteenth century to a distant, post-apocalyptic future. Each tale is revealed to be a story that is read (or watched) by the main character in the next." (Wikipedia)
Over the course of the twentieth century, many authors have emerged to define the popular perception of science fiction. These authors have created some of the most-read science fiction works and continue to have an enormous influence on the science fiction world to this day. It is the work of these authors that has made the genre into a more diverse and critically respected field.
The Squire's Tale by Gerald Morris
Gawain of Orkney doesn't need a squire. He's yet to make it to King Arthur's court to be knighted, and if he does need a squire later, he has a few brothers in the hinterlands who will do. For his part, Terence was perfectly happy taking care of his foster father, the hermit Trevisant. He was a kind boy and an excellent cook, though granted a bit confused at present. Just recently the trees had started talking to him.
His Majesty's Elephant by Judith Tarr
The hue and cry outside the royal stables of the Emperor Charlemagne sounded like a battle raging to Rowan. The grooms were trying to push a gigantic elephant into one of the Emperor's old war tents, and Abul Abbas, for so the elephant was called, was having none of it.