Set of 3 important problem books for elementary school students, covering math, geometry, and language. - Set Contents: Set of 3 books - Subjects: Math, Geometry, Language - Target Grade Level: Elementary School - Publisher: Jack Education Institute - Title: Area-Specific Important Problem Collection Thank you for viewing. The geometry book (Volume 2) has some creases from being carried around, but there are no markings inside as it was used with finger pointing. The price is almost equivalent to two books, but please contact me for a slight discount.