Carry on, Mr. Bowditch /
by Jean Lee Latham ; illustrated by John O'Hara Cosgrave, II.
- Boston : Houghton Mifflin, [c2003?].
- 251 p. : ill. ; 22 cm.
After finding a way to teach the ship's crew members to understand navigation, Nat, a self-taught mathematician and astronomer in eighteenth-century Salem, Massachusetts, writes down his explanations and compiles them into "The American Practical Navigator," also known as the "Sailors' Bible."