Kathleen Weidner Zoehfeld

Even though Mount Everest measures 29,028 feet high, it may be growing about two inches a year. A mountain might be thousands of feet high, but it can still grow taller or shorter each year. Mountains are created when the huge plates that make up the earth's outer shell very slowly pull and push against one another. Read and find out about all the different kinds of mountains. The earth's continents rest on plates that move slowly across our planet's...

A mother manatee and her little calf travel from the Gulf of Mexico through dangerous water full of speeding boats.

These prehistoric creatures are a fascinating topic for beginning readers and the up-to-date information and eye-popping photos in this simple introduction will enthrall them.

With colorful illustrations and engaging text, Phones Keep Us Connected is a fascinating look into the science, technology, and history of how phones work! Before telephones were invented, there was no way for you to sing "Happy Birthday" to your friend if she wasn't in the room with you. Now you can call anyone, anywhere in the world! How was the phone invented? How has it changed? Read and find out how a telephone can carry your voice across...

What makes a shell like a house? A house is a home for you, a nest is a home for a bird, and a cave is a home for a bear. But for some animals a shell is a home. Snails and turtles and crabs and clams all have shells that act as their homes and protect them from harm. In this book you'll learn all about these and other crustaceous creatures, for whom a shell is just the right sort of home.

Depicts a family of four who make their garden their summer home as they prepare the soil, plant seeds, water the garden, and watch for a harvest of vegetables.

Join three fantastic felines as they embark on the adventures of their (nine) lives in this colorful Chapters book, filled with photos and fun facts. Meet Dusty, a Siamese cat who gives the phrase "cat burglar" new meaning. Take to the seas with Skatty, a sailor and cat hero. And trek across the United States with Vladimir, a real-life cat explorer! These amazing-and TRUE-stories are sure to keep cat lovers and adventure fans on the edge of their...

Join National Geographic expert and TV personality Brady Barr on some wild adventures with snakes! Readers won't believe their eyes as they read Barr's hilarious-and completely true!-accounts of his interactions with some of the biggest, weirdest, and craziest snakes on Earth. Filled with engaging photos, fast facts, and fascinating sidebars, readers won't want to put this book down.

Introduces the different types of, and uses for, rocks and minerals, and discusses how they are formed.