This classic text takes a balanced and modern approach, presenting the exciting developments in the field, and making the most complex topics understandable to a new generation of students. Developmental Biology, Thirteenth International Edition, accommodates the needs of both beginners and advanced students by clearly distinguishing the main subject matter from the details needed by advanced students. An enhanced eBook contains videos, interviews, tutorials, and interactive features. This market-leading text embodies the breadth, intellectual rigor, and wonder of contemporary developmental biology.