Navigation: land, sea, and sky,
by Hal Hellman. Illustrated by Erwin Schachner.
- Englewood Cliffs, N.J., Prentice-Hall [1966]
- 65 p. col. illus., col. ports. 22 cm.
- [P-H junior research books] .
A history of navigational methods, from early sailing by landmarks to inertial navigation systems used in space.