Moving beyond the static either/or categories of racial identification found within typical insular conversations about mixed-race peoples, Shape Shifters explores these mixed-race identities as fluid, ambiguous, contingent, multiple, and malleable. With contributions by Ryan Abrecht, George J. Sánchez, Laura Moore, and Margaret Hunter, among others, Shape Shifters explores the forces of migration, borderlands, trade, warfare, occupation, colonial imposition, and the creation and dissolution of states and empires to highlight the historically contingent basis of identification among mixed-race peoples across time and space.