Join Hickory - a curious 12-year-old who lives in a treehouse high in the tallest oak in Hidden Oak Valley - on an unforgettable summer adventure. When Hickory notices that the trees in his valley all look different, he sets out to discover why.With the help of his loyal friend Mr. Acorn, a wise owl, a cheerful rabbit, and a cast of lovable animal neighbors, Hickory soars across the valley - discovering the secrets of six amazing trees along the way.Then di...