Provides information on how tornadoes are formed, where they most commonly occur, what structures can protect against them, and what scientists are doing to increase warning times.
Provides an introduction to parts of the human body, and explains the features and functions of various systems in the body. Includes color photographs, diagrams, fact boxes, a glossary, and additional resources.
"Introduces Vincent van Gogh as one of the most unique Impressionist artists by exploring the techniques he used to paint masterpieces such as Starry Night"--Provided by the publisher.
"Introduces Mary Cassatt as one of the important American Impressionist painters by exploring the techniques she used to show expression and feelings in her subjects--