Lucky Luke meets Ma Dalton at Cactus Junction. She is regarded as an eccentric and amusing old lady. But everything changes when her sons escape from prison and Joe Dalton passes himself off as his mother and starts holding up banks in the area. Lucky Luke, always on the watch, follows the trail of the Dalton family, thanks to his faithful companion Rantanplan.;
Pagination: 48 pages 410 comic strips;
Date of Publication: 17/05/2007