i was gonna suggest you google the title because i wasnt finding anything that could be considered an objective review...but then i found this at msnbc. it seems to have been originally published in newsweek, possibly april 5, 2001. everything in italics that follows is a direct copy/paste:
In 1981, long before her husband was elected vice president, Lynne Cheney wrote "Sisters," a steamy bodice-ripper set in the 19th-century American West, featuring vivid tales of whorehouses, attempted rapes, a suspicious murder and several lesbian love affairs, of which Cheney writes approvingly. The paperback, published in Canada, has been out of print for nearly two decades.
But on April 6 the book is scheduled to be released for the first time in the United States. Many of the novel's most lurid details have already been unearthed on the Internet and by gay-rights activists, who believe Cheney's treatment of lesbian relationships in the book is at odds with the Bush administration's stance against gay marriage. (Cheney's been silent about gay marriage, although her daughter Mary is openly gay.) For example, in the book a woman says of her female lover: "How well her words describe our love—or the way it would be if we could remove all impediments, leave this place and join together. Then our union would be complete. Our lives would flow together, twin streams merging into a single river."
A Cheney spokesperson says the reissue came as a surprise to the Second Lady. Cheney told The Washington Post in October 2000: "The reports of my novel are greatly exaggerated. Nevertheless, I hope they improve sales."
—Holly Bailey
as an update, there are no longer plans to reprint her book. ive heard there was at least one copy available recently on ebay with a min bid price of $2500.