A novel of activism and natural-world power presents interlocking fables about nine remarkable strangers who are summoned in different ways by trees for an ultimate, brutal stand to save the continent's few remaining acres of virgin forest.

With their father jailed for sinking a river boat, Noah Underwood and his younger sister, Abbey, must gather evidence that the owner of this floating casino is emptying his bilge tanks into the protected waters around their Florida Keys home.

When Judy Moody gets serious about protecting the environment, her little brother Stink thinks she is overdoing it, but she manages to inspire her third grade class to undertake an award-winning, environment-saving project.

When Arthur starts talking about his school project involving a Big Green Machine, D.W. imagines a scary contraption that will turn everyone green.

With a letter to President Franklin Roosevelt and unexpected help from her Hallelujah-spouting cousin, Henry James, Elsie Mae tries to prevent a company from building a canal through the Okefenokee Swamp.

With help from her Grandma Barb, Marty builds a habitat for worms in her school cafeteria as part of the Save the Earth Project.

The unicorns flee from the noise, violence, and destruction of civilization and find refuge in the sea.

Eighth-grader Tony Isidoro follows a trail of environmental clues to try and figure out what ecological imbalances might have caused the death of the town's best-known robin.

A young boy named Tyler helps to introduce readers to pollution, the ways that people cause it, and how to reduce pollution by reducing, reusing, and recycling.

Grandpa loves working on old cars, especially his Model T Ford.