For the 20th anniversary of September 11th, this is the hopeful story of a resilient tree that grew (and still grows) at the base of the twin towers, illustrated by New York Times bestselling artist and Caldecott honoree Aaron Becker.

For the 20th anniversary of September 11th, this is the hopeful story of a resilient tree that grew (and still grows) at the base of the twin towers, illustrated by New York Times bestselling artist and Caldecott honoree Aaron Becker.