Package consists of:
0136019714 / 9780136019718 Viewpoints
0136044352 / 9780136044352 Dire Predictions: Understanding Global Warming
0321752902 / 9780321752901 Essential Environment: The Science behind the Stories
0321754077 / 9780321754073 MasteringEnvironmentalScience with Pearson eText -- Valuepack Access Card -- Essential Environment: The Science behind the Stories (ME component)