This title introduces readers to the gigantic blue whale and the tiny bumblebee bat. Young readers will enjoy learning fun facts about these creatures, including what they have in common and how they are different. Future zoologists will be drawn to unique color photographs of the whale’s deep sea habitat and the bat’s remote cave home. The book includes an activity or craft, a table of contents, a phonetic glossary, infographics, informative captions and sidebars, sources for further research, information about the author, and critical-thinking questions to help readers connect with the text.