Volume 2-Mammals, Ecology, and Biomes, uses tunes like 'Erie Canal,' 'The Yellow Rose of Texas,' and Irish Washerwoman' to teach about bats, carnivores, isectivores,pinnepeds, ecology, biomes, toothless mammals, manatees, whales, dolphins, and single-family orders. You won't wade through evolutionary nonsense. Along with each CD comes a textbook which expands upon the information summarized in the songs. The textbooks, about 100 pages each, are generously illustrated with line drawings and touches ofr humor. They include song lyrics and simple music. The corresponding workbook lessons offer matching, fill-in-the blank, essay, and labeling exercises. Answer keys are at the back. Although originally written for sixth graders, the content reflects some of what we find in a typical high school life science texts. Whatever level you choose to use these for, they remain supplements rather thatn comprehensive courses. While this approach is not for all students, it does offer a rare alternative for auditory learners when it comes to science.