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Tells the story of how al-Qaida was able to establish terrorist cells in cities throughout Europe as bases from which to plan strikes against the U.S., arguing that the followers of Osama bin Laden used the Bosnian war of the 1990s as a cover for their operations.

Describes in simple terms the training, education, skills, and duties of a doctor.

A guide to planning and implementing a literacy professional development course for teachers, sharing information about classroom and adult learning, offering suggestions for implementing an effective professional development system, discussing coaching in the professional development context, and exploring issues in the modern educational environment.

A resource for middle and secondary science teachers that contains strategies for improving students' understanding and enjoyment of science, including case studies and hands-on activities.

Provides guidance for social studies teachers in planning, instruction, and assessment that links social studies with literacy, and features vignettes from real classrooms.

Provides exercises to help teen athletes build endurance and increase speed and agility.

Provides exercises and nutrition tips to help teen athletes build endurance and increase strength.