A Green Fantasy: Ruthie Discovers the Secret to Noah's Ec...
Chayen, Edna![A Green Fantasy: Ruthie Discovers the Secret to Noah's Ecosystem](https://support.digitalhusky.com/media/annotations/sorted/635/6359178/CHSBZCOP036359178.jpg)
A pre-teen novel of fantasy: When 10-year-old Ruthie tells her 12-year-old brother, Dan, that she has chosen "Noah's Ark" as the topic for her summer project, he doubts the wisdom of her choice. Cousin Jack, a student of ecology, agrees that the project is very ambitious. "Do you realize, " he says, "that the Ark had to be a closed ecological system, which you will have to describe, apart from telling how it could have been built?" With cooper...