Vorkosigan Saga # 5: Brothers in arms by Lois McMaster Bujold

Miles is having enough trouble keeping his two identities separate — the charismatic Admiral Naismith of the Denarii Mercenary Fleet and a Vor lord of the Barrayan aristocracy — when assassination attempts begin. But are his enemies after Miles Naismith or Lord Miles Vorkosigan? The problem of split identities becomes even more confused when a clone of Miles is discovered, in this novel Booklist called “a first-rate sf tale that mixes court intrigue and galactic warfare.”
on BROTHERS IN ARMS:
“The cloned brother of a deformed yet charismatic leader struggles to find his own worth and be accepted by his parents in a first-rate sf tale that mixes court intrigue with galactic warfare.”
– Booklist

on LOIS MCMASTER BUJOLD:
“Bujold continues to prove what marvels genius can create out of basic space operatics.”
– Library Journal

“Bujold is not just a master of plot, she is a master of emotion.”
– SF Site

“Bujold is one of the best writers of SF adventure to come along in years.”
– Locus Magazine