Crescent in the Sky: The Mechanical Sky Book One

280pp. A junior cloning technician for the Royal Stables of the Emir of Mars becomes a pawn in an interstellar struggle between Islamic planets for the right to unite all the Muslim worlds under one great Caliph. Featuring an intriguing premise--the Islamic conquest of space--and an engagingly ingenuous hero, this sf adventure/intrigue belongs in most collections.