Just-In-Time Teaching is a book which includes teaching and learning strategy comprised of two elements: classroom activities that promote active learning and World Wide Web resources that are used to ehnance the classroom component.  The book introduces new teaching and learning methodology designed to engage students by using feedback from pre-class web assignments to adjust classroom lessons so that students receive rapid response to the specific questions and problems they are having instead of more generic lectures that may or may not address what students actually need help with.