“Barrayar” by Lois McMaster Bujold.
Title: Barrayar
Series: Vorkosigan Saga
Author: Lois McMaster Bujold
Cover Artist: Stephen Hickman
Language: English
Original Publisher: Analog Science Fiction and Fact
Originally Serialized: July – September 1991
Publisher: Baen Books
Published: October 1991
ISBN-10: 067172083X
ISBN-13: 9780671720834