"In graphic novel format, follows Ruby the red blood cell as she travels through and explains the workings of the human circulatory system"--
- ISBN10 1429686049
- ISBN13 9781429686044
- Publish Date 1 July 2012
- Publish Status Out of Print
- Out of Print 13 March 2021
- Publish Country US
- Imprint Capstone Press
- Format Hardcover (Library Binding)
- Pages 24
- Language English