Ninigret (c. 1600 1676) was a sachem of the Niantic and Narragansett Indians of what is now Rhode Island from the mid-1630s through the mid-1670s. For Ninigret and his contemporaries, Indian Country and New England were multipolar political worlds shaped by ever-shifting intertribal rivalries. In the first biography of Ninigret, Julie A. Fisher and David J. Silverman assert that he was the most influential Indian leader of his era in southern New England. As such, he was a key to the balance of power in both Indian-colonial and intertribal relations.

Ninigret was at the center of...