Siyar AâÂÂlÃÂm al-NubalÃÂâ () is a biographical dictionary written by al-Dhahabi containing biographies of eminent Muslims throughout Islamic history up to al-Dhahabi's era. The first two of the Siyar<nowiki/>'s fourteen volumes, which concern the life of Muhammad and the Rashidun caliphs, are reproduced from al-Dhahabi's more expansive Tarikh. Al-Dhahabi divided the book into chapters according to the generations in which the different personalities lived.