This chapter about Native American groups in Texas grabs the interest of students with colorful images and informative maps. Each section has exercises to help with understanding.

This site has the full text of a thesis on Russia's policy toward Estonia and Latvia during the 1990s. Use the contents to go to the section that interests you.

This supplement presents a wide variety of interesting and important applications in discrete mathematics, grouped in individual chapters for thorough treatment of each application. Each chapter contains its own set of Examples and...