Curriculum work is a complex and sophisticated endeavor. This authoritative new text explores this complexity not only by examining the theoretical foundations and principles of curriculum development but also by considering its political context and the collaborative nature of much of curriculum work. Moreover, this text provides numerous practical ideas for engaging in the work of curriculum development and implementation. Comprehensive and scholarly, it explores influences from history and tradition, learning theory, philosophy, and sociology; introduces validated approaches to design and prioritizing; offers guidelines for assessing documents; and provides a wealth of information on implementation.