The new 12th Edition of Essentials of Oceanography (Trujillo and Thurman, Pearson Education © 2017) is now available in print, eText, and digital reader versions. The book features many improvements, including new information about the 2015-2016 El Niño (Chapter 7), an entire chapter devoted to marine pollution (Chapter 11), updated information about the status of the world’s ocean fisheries (Chapter 13), and updated data about how climate change is affecting the oceans (Chapter 16). A vast array of Web-based resources and self-testing modules are included in MasteringOceanography.