TALKING ROCKS AND MINERALS

In puntastic profusion, rocks and minerals chip in to introduce themselves: “Gneiss to meet you.”

As the accurately named tour guide Pebble dishes up commentary and at least some of the wordplay (“I’ll never take you for GRANITE, buddy”), select rock stars from coal to marble describe their igneous, sedimentary, or metamorphic origins as a prelude to glimpses of a glittering gallery of gems and a jumble of cameos from special guests: pyrite, fossils, and space rocks. Along the way, a look at the rock cycle shows how the three types of rock can transform into one another, and a pair of geodes offer readers a look at the “secrets” they conceal: gorgeous crystals. Carlson seamlessly shuffles photos and painted images together for the illustrations, tacking a smile and googly eyes onto Pebble and many specimens but accurately capturing their broad range of typical colors and surface textures. “Of course, there are always more rocks to discover!” Towler concludes, and to help readers “keep rocking on,” she finishes up with sources and advice for prospective rock hounds, plus a quick testimonial from a working scientist.

A geo-logical approach to discovering how rocks rock.