Because of an Acorn: (Nature Autumn Books for Children, Picture Books about Acorn Trees) (NRDC)

Because of an acorn, a tree grows, a bird nests, a seed becomes a flower. Enchanting die cuts illustrate the vital connections between the layers of an ecosystem in this magical book. Wander down the forest path to learn how every tree, flower, plant, and animal connect to one another in spiraling circles of life. An acorn is just the beginning.