Booklist Review - What's Soil Made Of?

Dirty is the perfect name for a series that will have kids wanting to head outside and see
some of the interesting points the books make about soil—what it is, how it’s formed, what it’s good for.
Though the titles don’t have to be read in any particular order (especially since some of the information
overlaps), the best place to start is still What’s Soil Made Of? This close-up look at soil explains that it is
composed of eroded and weathered rocks, plant matter, and poop. The books are neatly laid out, with
simple text captioning the many color photographs. A good gambit is used to get kids to turn pages: each
spread ends with a question. All of the books end with a science-lab feature that offers simple experiments
for budding scientists. Full of useful information, this series makes the most ordinary of substances