Harcourt School Publishers The Ground Beneath Your Feet classroom reader lot. Includes 11 matching paperback copies with the same ISBN. Great for teachers, homeschool use, tutoring, science units, small reading groups, or classroom replacement copies. This is an on-level elementary science reader best suited for approximately Grade 4 / upper elementary. Books appear unused overall with no student writing noted. Some or all copies have a small teacher/classroom inventory-style number written on the cover or inside cover. Minor shelf/storage wear may be present from handling. Please review all photos for exact condition.