Do dolphins really smile? /
by Laura Driscoll ; illustrated by Christina Wald.
- New York, NY : Grosset & Dunlap, 2006.
- 45 p. : col. ill. ; 23 cm.
- All aboard science reader. Station stop 2 .
0448443414 (pbk.)
2005027808
Dolphins--Psychology. Learning in animals. Animal intelligence.