By land, sea, and air /
Sarah O'Neil.
- Markham, Ont. : Scholastic, 2003.
- 24 p. : col. ill. ; 20 cm.
- Alphaworld. Level 24L .
Compares and contrasts how people travel around the world today by plane, by boat, and by train, with the difficulties people faced making such journeys in the past.