Digging Up the Past

Throughout history, humans have uncovered bones and artifacts that revealed secrets about the distant past. This series explores eight of these momentous discoveries. Each book includes simple text, colorful images, a table of contents, fast facts, sidebars, comprehension questions, a glossary, an index, and a list of resources for further reading. Apex books have low reading levels (grades 2-3) but are designed for older students, with interest levels of grades 3-7.