The screen door slammed. "Joshua Tree Hewitt," cried his mom, "what are you doing?" "There's a frog," called Josh as he lunged. "And I got it!" "And I'm going to eat frog legs for supper," she yelled, "if you don't get yourself ready to go, right now!" Josh stood up and almost dropped the frog. Was he seeing clearly? He could ffeel his waterlogged pajamas sliding down his behind, but he di…