Archbold, Rick, 1950- Deep-sea explorer : : the story of Robert Ballard, discoverer of the Titanic / [electronic resource] / by Rick Archbold.. — Houghton Mifflin ed.. — Boston : : Houghton Mifflin,, 1996.. — 165 p. : : ill. ; 22 cm.
"Paperback Plus."
Includes bibliographical references (p. 140) and index.
Grade 6.
9780395732724 0395732727
Ballard, Robert D.--Juvenile literature. Ballard, Robert D.