"Is it true that smoke from wildfires can travel thousands of miles? Yes! If a wildfire is large enough, wind can blow smoke from the West Coast to the East Coast of the United States! Inside you'll find out how wildfires start, how they spread, and how researchers are studying wildfires in order to keep people safe. There's also a hands-on activity, a timeline, photos and diagrams." --

"El mejor manual para prevenir el sida por uno de los mejores deportistas de este siglo"--Cover. Explains what HIV and AIDS are and how readers can protect themselves and others from being infected.

A small firefighting airplane saves the day from disaster using her courage and a little help from her friends.

"Tuberculosis is one of the world's deadliest infectious diseases, killing nearly two million people every year--more now than at any other time in history. While the developed world has nearly forgotten about TB, it continues to wreak havoc across much of the globe. In this interdisciplinary study of global efforts to control TB, Christian McMillen examines the disease's remarkable staying power by offering a probing look at key locations, developments,...

Instant Recess proposes regular ten-minute exercise breaks that utilize music and dance and are easily incorporated into school, work, and community life. Rather than encouraging unhealthful habits like cigarette breaks or high fat snacks, these "instant recesses" make the active choice the natural one. Here is a new paradigm for fitness and public health that promises vitality, well being, and a greater sense of community -- demonstrating, as Yancey...