Includes a set of 12 books gently used in excellent to good condition all themed around math concepts. 11 paperback books and 1 hardback book. Comes from a smoke free home. My name may be crossed off on the inside of books. About 4.2 pounds of books. Can’t be bundled due to weight. Tags: used children books, learning, teaching, homeschooling, daycares, classroom, teacher, home library, bedtime reading, math