It is a commonplace occurrence: a group of students gathers at the classroom window, watching the activities of birds and sharing their informal observations. But for Phyllis Whitin, her class, and her collaborator, David Whitin, what began as a common event grew into an uncommon journey of shared wonder and discovery. On one level, Inquiry at the Window is the story of an elementary classroom's yearlong study of birds. But it is also the story of...