ALERT: Before you purchase, check with your instructor or review your course syllabus to ensure that you select the correct ISBN. Several versions of Pearson's MyLab & Mastering products exist for each title, including customized versions for individual schools, and registrations are not transferable. In addition, you may need a CourseID, provided by your instructor, to register for and use Pearson's MyLab & Mastering products. ?/P> NOTE: Make sure to use the dashes shown on the Access Card Code when entering the code. ?/P> Student can use the URL and phone number below to help answer their questions: http://247pearsoned.custhelp.com/app/home 800-677-6337?/P> ?/P> 0134516338 / 9780134516332 Essential Cosmic Perspective Plus MasteringAstronomy with eText, The -- Access Card Package,8/e ?/P> Package consists of:?? 0134446437 / 9780134446431 Essential Cosmic Perspective, The, 8/e 0134509293 / 9780134509297 MasteringAstronomy with Pearson eText -- ValuePack Access Card -- for Essential Cosmic Perspective, The, 8/e