Complex sentence: Bean and Petra narrowly escape an assassination attempt themselves, and escape to Damascus, where another battle school comrade, Alai, is the unannounced Caliph of a nearly unified Muslim world.
Split into simpler sentences: Bean and Petra narrowly escape an assassination attempt themselves, and escape to Damascus. There they find that where another Battle School comrade, Alai, is the unannounced Caliph of a nearly unified Muslim world.