Greg Young 
Investigating Plate Tectonics [PDF ebook] 

In this adventurous title, readers learn all about plate tectonics! A brief history of Alfred Wegener’s theory of continental drift introduces readers to the development of plate tectonics and how it helped form the Earth we know today. Through colorful images, helpful charts and graphs, and easy-to-read text, readers will discover such fascinating topics as magnetic pole reversal, divergent and convergent plate boundaries, the ocean-continental division, and the San Andreas Fault. A captivating lab activity is featured to encourage children to further explore geology!