Julia J. Quinlan 
Latitude, Longitude, and Direction [PDF ebook] 

From "Down East" to "Fifty-Four Forty or Fight!" to "Greenwich Mean Time, " there are plenty of common phrases that invoke longitude, latitude, and direction. This immensely useful book covers topics such as compass roses, the history of longitude and latitude, Earth’s time zones, and the relationship between latitude and climate. The book presents longitude, latitude and direction to lower elementary students in a fun, approachable way.