In Oakie Dokie's Happy Roots: Young Bark Buddie Oak Tree Discovers the Six Roots of Growning up Happy by Contstance Nelson, In the voice of a young Bark Buddie Tree . named Oakie Dokie and an older wise tree, Big Bark Buddie Tree, children discover the six roots of character education to help them grow up strong and happy. Paperback, 24 pages.