Connected by their mutual—if differentiated—veneration of the One God proclaimed by Abraham, Judaism, Christianity, and Islam compose a family of related traditions. The Abrahamic Religions: A Very Short Introduction explores their intertwined histories and the ways in which encounters among their adherents have helped construct their own independent religious identities from antiquity to the present. Those identities have not been fixed and static, but have rather reflected particular historical contexts. The political arrangements in which the religions emerged and intermingled—notably, their changing relationships to state power—have figured importantly in their development. The common heritages of the Abrahamic religions have both brought them together and divided them.