The K12 Earth Science Teacher Guide Semesters 1&2 is a textbook authored by K12 specifically for intermediate level students studying science. Published in 2007, this paperback book is divided into two semesters and includes student pages for semester 2. The content is presented in English and focuses on the subject area of Earth Science, providing a comprehensive resource for K12 educators teaching this subject. With a personalized approach and graded content, this textbook offers a structured and informative learning experience for students interested in the field of science.