Alder has always lived in his cozy little house in Southern California. An old, reliable, comforting walnut tree has stood between his house and the one next door. When a new family--with a particularly annoying girl his age named Oak--moves into the neighboring house, they cut the tree down. As Oak and Alder start school together, they can't imagine ever becoming friends. But they soon discover a series of mysterious, possibly magical, connections...

"Over the course of eighty years a spruce tree grows, along with the little boy who first selected it at a tree farm. At the end of its life, the tree is chosen to be the centerpiece of a city's holiday celebration"--

Trees helps young readers find the answers to questions and learn about the incredible world of threes, from deciduous to conifer and beyond. Call-outs throughout the book prompt inquiry and critical thinking skills by asking questions and inviting readers to looks closely at the photographs and diagrams.

"In Trees we follow an acorn as it learns about its future as Earth's largest, longest-living plant. Starting with the seed's germination, we learn about each stage until the tree's maturation, different types of trees, and the roles trees take on in our ecosystem" --

In this work of nonfiction, the role of trees in maintaining a vibrant ecosystem, as well as providing food, fuel and shelter, is depicted through photographs, personal stories and facts.

In Depression-era New York City, construction workers at the Rockefeller Center site help a family in need--a gift that is repaid years later in the donation of an enormous Christmas tree.

A boy and his dog walk through a wintry forest and identify seven common trees.

The journey of the Callery pear tree rescued from Ground Zero and replanted ten years later is presented alongside a wordless story following a girl and her firefighter uncle who is a 9/11 hero.