|aHuntington Beach, CA :|bTeacher Created Materials,|c.
|a32 p. :|bcol. ill. ;|c23 cm.
|a"Smithsonian" -- Cover.
|aHow did sailors long ago know how to get from here to there? They needed smarts, bravery, and tools of navigation! Many of the tools used then are stilled used in some form today. Of course, modern technology allows navigation to be even more precise. With the right tools, there doesn't seem to be anywhere people cannot go!