Textbook for third-year high school / Grade 10 in English, Houghton Mifflin Harcourt curriculum. Books are in good condition. Physics, chemistry, and biology books are in excellent condition, not torn, and clean. Vocabulary, literature, and grammar books are in good condition and clean. French and computer books are in excellent condition, not torn, and clean. Math books are clean, but some of them are torn. Reason for selling: I no longer need them. Price is negotiable and buyer-friendly.