1.   It also makes interactive learning products and supplemental materials for schools.

2.   School districts are also increasing their purchases of supplemental materials such as workbooks.

3.   Steck-Vaughn publishes supplemental educational material, such as soft-cover work books, which Harcourt lacks in its educational publishing business, Mahoney said.

4.   The broadcast continues on screen, but a whole interactive world of supplemental material is also available.

5.   The mortgage unit has provided information requested by the review board along with supplemental material, Madison said.