This package includes Zumdahl/Zumdahl/DeCoste's CHEMISTRY, Eleventh Edition, and access to OWLv2 with Student Solutions Manual ebook for four terms (24 months). Created by teaching chemists, OWLv2 is a powerful online learning platform for chemistry with a unique Mastery Learning approach, which allows students to practice at their own pace, receive meaningful feedback and access a variety of learning resources to help them master chemistry and achieve better grades.