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.  NOTE: Make sure to use the dashes shown on the Access Card Code when entering the code.  Student can use the URL and phone number below to help answer their questions: http://247pearsoned.custhelp.com/app/home 800-677-6337   Packages Access codes for Pearson's MyLab & Mastering products may not be included when purchasing or renting from companies other than Pearson; check with the seller before completing your purchase.  Used or rental books If you rent or purchase a used book with an access code, the access code may have been redeemed previously and you may have to purchase a new access code.  Access codes Access codes that are purchased from sellers other than Pearson carry a higher risk of being either the wrong ISBN or a previously redeemed code. Check with the seller prior to purchase. 0133873196 / 9780133873191 Campbell Biology, Get Ready for Biology, MasteringBiology with eText and Access Card, 10/e Package consists of:    0321500571 / 9780321500571 Get Ready for Biology, 1/e 0321775651 / 9780321775658 Campbell Biology, 10/e 0321935314 / 9780321935311 Modified MasteringBiology with Pearson eText -- ValuePack Access Card -- for Campbell Biology, 10/e

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