An introduction to the physicaL characteristics, habits, and natural environment of a variety of animals without backbones such as sponges, jellyfishes, sea anemones, worms, octopuses, and oysters.
- ISBN10 0531200361
- ISBN13 9780531200360
- Publish Date 1 October 1991
- Publish Status Out of Print
- Out of Print 7 December 2011
- Publish Country US
- Publisher Grolier Publishing Co Inc
- Imprint Grolier Publishing,US
- Format Paperback
- Language English