Neptune, comets, and dwarf planets.
- Chicago : World Book, c2010.
- 64 p. : col. ill. ; 26 cm.
- Explore the solar system .
Includes index.
"An introduction to Neptune, comets, and dwarf planets for primary and intermediate grade students with information about their features and exploration. Includes charts and diagrams, a list of highlights for each chapter, fun facts, glossary, resource list, and index"--Provided by publisher.