A charming cat and his firefly pal take youngsters on a delightful romp to learn all about the Earth's moon in this fun introduction that features a fun experiment at the end of the book. Full color.

A survey of the earth's rocks and minerals explores some of the ways they have been transformed into usable materials from talcum powder to silver jewelry, in a reference complemented by a bonus activity suggestion.

Describes 45 inventions and discoveries in terms of the problem that needed solving, who the innovator was, how the solution was developed, and the impact of the invention.

Targeted to rock-crazy kids, this bold book is more energetic, more visually exciting, and more fun than enything else on the market--and with more information, too!

The Dirtmeister and his sidekick Digger introduce the world of geology, discussing minerals, the origins of the Earth, plate tectonics, rocks, and the dynamics of dirt.

"Fun exploration of all the different rocks on our planet and in the universe"--