The Klondike by Yann
The English aristocrat Waldo Badminton asks Lucky Luke to find his missing butler in the Klondike, drawing them into the lawless gold rush of Dawson City.
Books
Yann
Yann, whose full name is Yann Lepennetier, is a French comics writer. He has scripted many Franco-Belgian series and co-wrote the Lucky Luke album The Klondike.