The search for Marvelous Mammals starts with the cats and dogs found in many homes. From there, the reader it taken north to the Canadian taiga and south to the Amazon rainforest before continuing around the world. The text introduces the common mammal characteristics (warm-blooded, backbone, hair or fur, and feed their babies milk) while highlighting unique and interested mammals in various habitats.

Blastoff Missions Amazing Animal Classes is a series sure to inspire a child’s natural curiosity. Each title starts with Mission Goals to promote fluency (identify sight words), enhance comprehension (identify traits), and promote critical thinking (think of a question).

The informational text engages the reader as a participant in the narrative. The conversational style of the text provides age appropriate academic and subject specific vocabulary. Bolded vocabulary terms are defined in the glossary. Colorful illustrations include identifying and descriptive captions. Extra tidbits of information are provided by Jimmy, a space traveling, cartoon-like avatar who accompanies the reader on all the narrative missions.

Endpapers include a glossary, index, and To Learn More section. The To Learn More resources have three print sources in the At the Library section. The On the Web resources direct the reader to Factsurfer which provides easy access to three curated age appropriate digital resources. Endpapers also include three extension questions in the Beyond the Mission section to help readers connect their learning from the book to their own experiences.