Both a scientific tour and a journey through time, this new book profiles 10 of the world's most exciting lakes, from Lake Eyre, the lake that vanishes, to the sub-Arctic Great Slave Lake. Additional lakes, described in boxed sidebars, include two explosive killer lakes in Africa.

Here is a captivating new introduction to the world's most fascinating caves. The author covers lava caves, sea caves, glacial caves, and more--from Kentucky's Mammoth Cave, to the amazing Paleolithic paintings of Lascaux, to Fingal's Cave of Scotland, which inspired Mendelssohn's Hebrides Overture.

Do you love riding on planes, trains, and automobiles but get restless on the way? If the answer is yes, take along The Everything Kids' Travel Activity Book and you'll be there before you know it Packed full of puzzles, activities, quizzes, and games, this book provides hours of nonstop fun that can be done alone or shared with other kids.

There's cool stuff to do, like:
Create your own postcard
Invent a new automobile
Play detective

The Everything Kids' Travel Activity Book also gives you answers to all sorts of crazy questions:
What makes your foot...