Essentials of Geology, Fifth Edition, integrates Marshak's popular and proven text approach with exciting new media and assessment resources that guide students to a clearer understanding of the course material. Marshak has personally applied his expertise, with an emphasis on the visuals, to this robust suite of videos, animations and simulations, art, and interactive assessment questions that get students seeing and engaging with geologic concepts as a geologist would.This edition features new "What Do You Think" mini-cases that promote critical thinking, new and vastly-improved topographic maps, and updated, detailed reference figures in every chapter. With low prices and package deals available with all Marshak texts, the Laboratory Manual for Introductory Geology, Third Edition, is truly the best choice for your lab.