This series is an interesting investigation of eight different and unusual animals. Each title includes an abundance of information about rare animals that is sure to intrigue readers. Double-page spreads contain a paragraph with facts on one side and a full color captioned picture, diagram, or map on the other. All titles are ideal as a Common Core resource for young children, and the fact that the animals are unconventional and endangered adds to their appeal as research subjects. Overall, this series is a solid addition for any library’s animal book collection. Recommended.