In the Shadow of the DerricksPaperback, 11 May 2007

Titusville, August 1859; Colonel Drake has discovered a deposit of oil, and the chase for black gold is now on! Lucky Luke has been called in to keep the peace as prospectors flock in from miles around. But when Barry Blunt buys up all the oil shafts one by one, Luke begins to doubt Blunt's more-than-suspicious methods.