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.

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.

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!

Introduces stars and what they are made of, how they shine, their positions with relation to earth, and more.