Harman, Rebecca. Earth's changing crust / Rebecca Harman. - Chicago, Ill. : Heinemann Library, c2005. - 32 p. : col. ill., col.maps ; - Heinemann infosearch . ISBN: 1403470634 (pbk.) Subjects--Topical Terms: Plate tectonics--Juvenile literature. LC Class. No.: QE511.H3 2005