Books at JSTOR offers subject collections that support academic research in core disciplines. Each collection includes DRM-free ebooks that function just like the journals on JSTOR, with unlimited concurrent use and unlimited chapter downloading and printing.

Politics and International Relations (SAGE) covers American government politics, area studies, comparative politics, general political science, international relations, peace and conflict studies, policy studies, political communication, political sociology, political theory and political philosophy, and presidential studies.

Environment Complete offers coverage in applicable areas of agriculture, ecosystem ecology, energy, renewable energy sources, natural resources, marine & freshwater science, geography, pollution & waste management, environmental technology, environmental law, public policy, social impacts, urban planning, and more.