Delta Science Readers books complete series,color/light,matter/change,electrical

Delta Science Readers, books complete series, plants in our world (2), electrical connections (2), astronomy (3), color/light (1), flight/rocket tree (1), matter/change (2) for grades 6-9th. You can purchase each one individually or a group bundle. Please inquire about the group bundle. Great for homeschool or private school purchase books. Used for one year. Book has no tears, minor bending of the front page, no mark ups, no missing pages. Comes from a smoke free environment. Please note: all items are used only for personal use and gently loved.