I highly recommend this book. I'm only into a couple of chapters so far but can't put it down!
Here read the authors note:
AUTHORS NOTE
In spite of efforts to convince the reader to the contrary, this book is entirely a work of fiction. However, the seed that grew into a novel was sown in the authors imagination by an actual historical event: in 1854 at a peace conference at Fort Laramie, a prominent Northern Cheyenne chief requested of the U.S. Army authorities the gift of one thousand white women as brides for his young warriors. Because theirs is a matrilineal society in which all children born belong to their mothers tribe, this seemed to the Cheyenne to be the perfect means of assimilation into the white mans world ~ a terrifying new world that even as early as 1854, the Native Americans clearly recognized held no place for them. Needless to say, the Cheyennes request was not well received by the white authorities the peace conference collapsed, the Cheyenne went home, and, of course, the white women did not come. In this novel they do.
Certain other historical events are here rendered, but in an entirely fictitious manner. At the same time, the real names of certain actual historical figures are used in this novel, but the characters themselves are fictional creations. In all other respects this book is a work of fiction. Names, characters, places, dates, geographical descriptions are all either the product of the authors imagination or used fictitiously.
Any resemblance to actual persons, living or dead, or to actual events or locales is entirely coincidental.
Finally, while a genuine attempt was made to render the Cheyenne language as accurately as possible, certain mis-spellings and misuses inevitably occur in this book. For these errors, the author offers sincere apologies to the Cheyenne people.
http://www.amazon.com/One-Thousand-White-Women-Journals/dp/0312199430