The Abeka Science Grade 9, 2nd Ed. (set of 4) is a comprehensive curriculum designed for homeschooling students in Grade 9. Authored by the Abeka Staff and published by A Beka Book, this American English language series covers a range of science subjects in a ring/wire bound, trade paperback, and paperback format. With a strong focus on the Abeka Science/Health Series, this textbook set provides a thorough education in science for students in the United States. *** Abeka Science Grade 9, 2nd Ed. (set of 4) is in very good condition and have no writing or highlighting in them.