- A lively introduction to the furry world of mammals, including distinguishing characteristics, mammal homes, family life, and more
- Fascinating information about more than 200 mammals, including their scientific name, habitat, diet, behavior, and latest discoveries, all reviewed for accuracy by experts in the field
- Incredible photographs of your favorite animals--and ones you never knew existed
- Colorful graphics illustrate mammal habitats, life cycles, and more
- Fun fact boxes about quirky characteristics, fascinating physical features, bizarre behaviors, and more
- Ultimate Dinopedia 2nd edition
- Ultimate Bugopedia
- Ultimate Reptileopedia
- Ultimate Oceanpedia
- Ultimate Predatorpedia
- Ultimate Weatherpedia