The Ducks of Doom, Volume 7 by Robert Smith
Approx. 60,000 words.
Published on January 19, 2009.
Sweet Gas and Glazed Buns find themselves trapped in Arthur's carnival, which is being transported aboard a Zeppelin to the University of Strange Thoughts.
Arthur's experiments with bakes beans accidentally launch a hippo into near space. The crater it makes upon landing reveals a mysterious object.