Describes the geography, plants, animals, history, economy, culture, and people of Brazil.

Discusses how planes fly, their parts, and their different uses.

Briefly describes the way a helicopter operates, different kinds of choppers, what the pilot does, and some of the work for which helicopters are used.

Describes the formation of the remarkable canyons in this national park in Arizona and discusses other things to see and do there.

Explains the nature and formation of the cosmic phenomenon known as a black hole.

Suggests what to consider when selecting a parrot or parakeet for a pet, and explains its housing, food, and health care needs.

Describes how the immigration station on Ellis Island served as a gateway into the United States for millions of immigrants.

"When did Elizabeth II become the queen of the United Kingdom? She became queen in 1952, at the age of 25. Inside, you'll find: What Elizabeth's life was like growing up as a member of Britain's royal family ; A timeline, photos--and what Elizabeth's responsibilities are as queen ; Surprising True facts that will shock and amaze you!"--Page 4 of cover

An introduction to the national park best known for its dramatic thermal features.

"Knowing how to treat injuries is a skill that every outdoor adventurer needs. Did you know that you can splint a broken finger using only tape? Or that cool water is the first step to treating a burn? Learn all this and more in First Aid -- a book that gives kids the confidence they need to get outside and explore." -- Amazon.com. "Is it true that having a first aid kit handy can help you be prepared for emergencies? Yes! A first aid kit--and knowing...