“The Warrior’s Apprentice” by Lois McMaster Bujold.
Title: The Warrior’s Apprentice
Series: Vorkosigan Saga
Author: Lois McMaster Bujold
Cover Artist: Gary Ruddell
Language: English
Original Publisher: Baen Books
Originally Published: August 1986
Publisher: Baen Books
Published: August 1986
ISBN-10: 067172066X
ISBN-13: 9780671720667