Paperback
(Weekly Reader/Gareth Stevens Pub, July 15, 2007)
Explains how marine animals migrate in the water; discusses such reasons as seeking food or a safe place for giving birth, as well as creatures with lives of constant migration; and describes the vertical migration of the Sargasso Sea.
Library Binding
(Weekly Reader/Gareth Stevens Pub, July 15, 2007)
Explains how marine animals migrate in the water; discusses such reasons as seeking food or a safe place for giving birth, as well as creatures with lives of constant migration; and describes the vertical migration of the Sargasso Sea.