Graded drill exercises in corrective English;
3 v. 20 cm.
On cover: Teacher's edition. Each volume contains answer book with special t.p. and pagination.
Content notes : Contents.--Bk. 1. Grades 4 and 5.--Bk. 2. Grades 6 and 7.--Bk.3. Grades 8 and 9.
