"How does a tiny spore become an umbrella-shaped mushroom? Follow each step in nature's cycle--from spores drifting in the wind to fully grown mushrooms--in this . . . book!"--Back cover.

"Retells the story of Ursa Major as the transformation of Callisto and Arcas, discusses the astronomical features of the constellation Ursa Major, and describes the history of the constellation and its myths in world culture including the role of the Big Dipper in the Underground Railroad."--Provided by publisher.

If you could, would you travel to Pluto and other dwarf planets? Let this book make you an astronaut and take you on a space trek there!

If you could, would you travel to the Asteroid Belt? Let this book make you an astronaut and take you on a space trek there!

If you could, would you travel to Venus? Let this book make you an astronaut and take you on a space trek there!

If you could, would you travel to Jupiter? Let this book make you an astronaut and take you on a space trek there!

If you could, would you travel to Neptune? Let this book make you an astronaut and take you on a space trek there!

If you could, would you travel to Mars? Let this book make you an astronaut and take you on a space trek there!

"Engaging images illustrate true rat attack stories and accompany survival tips. The combination of high-interest subject matter and light text is intended for students in grades 3 through 7"--Provided by publisher.

Readers learn how this simple machine makes it easier to move things from one place to another. They also learn a wheel works with an axle. By the end of the book, readers know the difference between complex and simple machines and how wheels are used in everyday life to make work easier. How can we lift and lower things? How can we move heavy loads from one place to another? By using simple machines! Wheels, wedges, levers, pulleys, screws, and inclined...