“How could I allow my soldiers to sail on this disloyal and cruel sea?” These words, attributed to the most powerful caliph of medieval Islam, Umar Ibn al-Khattab (634–644), have led to a misunderstanding in the West about the importance of the Mediterranean to early Islam. This body of water, known in Late Antiquity as the Sea of the Romans, was critical to establishing the kingdom of the caliphs and for introducing the new religion to Europe and Africa. Over time, it also became a pathway to commercial and political dominion, indispensable to the prosperity and influence of the Islamic world. Sea of the Caliphs returns Muslim sailors to their place of prominence in the history of the Islamic caliphate.

As early as the seventh century, Muslim sailors competed with Greek and Latin seamen for control of this far-flung route of passage. Christophe Picard recreates these adventures as they were communicated to admiring Muslims by their rulers. After the Arab conquest of southern Europe and North Africa, Muslims began to speak of the Mediterranean in their strategic visions, business practices, and notions of nature and the state. Jurists and ideologues conceived of the sea as a conduit for jihad, even as Muslims’ maritime trade with Latin, Byzantine, and Berber societies increased.

In the thirteenth century, Christian powers took over Mediterranean trade routes, but by that time a Muslim identity that operated both within and in opposition to Europe had been shaped by encounters across the sea of the caliphs.

When the Abbasids overthrew the Umayyad dynasty in 750 CE, an important element in legitimizing their newly won authority involved defining themselves in the eyes of their Islamic subjects. Nadia Maria El Cheikh shows that ideas about women were central to the process by which the Abbasid caliphate, which ushered in Islam’s Golden Age, achieved self-definition.

In most medieval Islamic cultures, Arab Islam stood in opposition to jahl, or the state of impurity and corruption that existed prior to Islam’s founding. Over time, the concept of jahl evolved into a more general term describing a condition of ignorance and barbarism—as well as a condition specifically associated in Abbasid discourse with women. Concepts of womanhood and gender became a major organizing principle for articulating Muslim identity. Groups whose beliefs and behaviors were perceived by the Abbasids as a threat—not only the jahilis who lived before the prophet Muhammad but peoples living beyond the borders of their empire, such as the Byzantines, and heretics who defied the strictures of their rule, such as the Qaramita—were represented in Abbasid texts through gendered metaphors and concepts of sexual difference. These in turn influenced how women were viewed, and thus contributed to the historical construction of Muslim women’s identity.

Through its investigation of how gender and sexuality were used to articulate cultural differences and formulate identities in Abbasid systems of power and thought, Women, Islam, and Abbasid Identity demonstrates the importance of women to the writing of early Islamic history.