Readers take a virtual journey across the globe while traveling through an extensive timeline to explore ocean depths with multiple experts to guide them. Books in the "True Book" series utilize bold photographs that accompany descriptive text covering science, history, and exploration. Snippets of unusual facts about vast oceans are nicely featured by a prominent gold arrow and playful font. Lively colors provide an enhanced study about classic data, fascinating sidelights, and additional mysteries for engaging students of all ages. Oceanography details are presented in a clear manner just as vocabulary is explained within context. For more intrigue, Find the Truth! presents a true or false introduction to the topic while The Big Truth! portion focuses on a most extraordinary aspect in a bit more depth. Helpful sections in all of the books include true statistics, resources, important words, index, and about the author. It is worthy to note that the resources section contain a listing of several books, organizations, web sites, and places to visit for additional study. Even though items dwarf the abundance of information about oceans, youngsters have a most worthy guided tour that is both appropriate and meaningful. Part of the "True Book" series, which follow the same format while showcasing a variety of scientists and their exciting careers. Reviewer: Susan Treadway, M.Ed.