Book excerpt: It's early morning in the Amazon rain forest. A large monkey is climbing through the branches of a tall tree. Suddenly, there's a flash of white and black feathers. An enormous harpy eagle swoops between the leafy branches and snatches the monkey from the tree. Then the giant predator carries its prey high into the treetops and begins to eat. Filled with information perfectly suited to the abilities and interests of its primary-grade audience, this colorful, fact-filled book gives readers a chance not only to learn all about harpy eagles and their Amazon rain forest home, but also to develop their powers of observation and critical thinking. Built-in activities, such as figuring out how the bird's body is adapted for hunting, and investigating how much weight the eagle can carry in its talons, give readers a chance to gain insights beyond the facts and figures.