Archaeologists Dig for Clues (Let's-Read-and-Find-Out Science 2)

(From Amazon): Archaeologists on a dig work very much like detectives at a crime scene. Every chipped rock, charred seed, or fossilized bone could be a clue to how people lived in the past. In this information-packed Let’s-Read-and-Find-Out Science book, Kate Duke explains what scientists are looking for, how they find it, and what their finds reveal.