Li'l Jack's Blackjack

<p>After finding a mysterious message carved in a special tree Li'l Jack and Daddy explore parks in "Green Country" (Tulsa Oklahoma) to find a similar tree.  Li'l Jack learns how to recognize trees by their physical traits: height bark texture seeds and leaves and also visits the Creek Council Oak under which Tulsa was founded during a meeting of Creek Tribal leaders.  But when they have difficulty finding a tree quite like their special Blackjack Oak they visit the Cross Timbers - a place where some of the oldest Blackjacks grow in Oklahoma. Li'l Jack learns why there are so few Blackjacks left and how he can grow one of his very own.</p>