Nemeth, Jason D. Our changing earth

Earth's ice ages have had a major impact on both the spread of human beings and the contours of the land our species has occupied. This informative book discusses what Earth was like during the last ice age and how that glacial period fits into the cycle of ice ages throughout the planet's history. The book opens with a straight-forward explanation of the composition and movement of glaciers that will enhance reader comprehension

Mode of access: World Wide Web