Felps decides to plant lettuce on his property. But rancher Cass Casey's herds regularly ransack Felps' grounds... Furious, he hires Lucky Luke for protection from Casey. Felps wants to surround his property with barbed wire, which in the Old West is regarded as a provocation. And so, war is declared between the ranchers and the farmers... Lucky Luke will need all his skills as a mediator to reconcile everybody!

Rin Tin Can, possibly the stupidest dog ever, is left in charge of watching the jail. Obviously, the Daltons escape and steal some horses and guns. Lucky Luke refuses to get involved, but when he witnesses the prison guards' incompetence and Rin Tin Can's remarkable lack of brains, he has no choice but to set out on the Daltons' trail.

On 22nd April 1889, the American government opened the new Oklahoma territories to settlement. In this volume, Lucky Luke acts as a government agent and ensures that every candidate for settlement is treated fairly. He has to deal with jealousy, corruption and greed.

The Cheyenne are convinced that newly-arrived settlers are killing the buffalo they depend on. When the Native Americans surround the 20th Cavalry's fort, Lucky Luke realises that someone who bears a grudge against Colonel McStaggle has given them firearms. Worse, the traitor also knows the layout of the fort.

Lucky Luke and Jolly Jumper arrive in Grass Town and make the acquaintance of Smith I, Emperor of the United States! A local rancher gone a bit looney after getting rich, he's given his cowboys fancy uniforms and replaced their Colts with sabres, and he believes he's the true ruler of the country.

Otto von Bratwurst arrives in the New World with some very strange ideas: criminals are victims of their past and can be cured of their lawlessness. To prove his theories, Otto travels to the Wild West and reforms the worst outlaws of the land. But who will keep a close eye on the experiment? Lucky Luke, of course

At the end of the Civil War, many former soldiers turn to a life of crime to survive. Joss Jamon and his gang are among the worst of such men. After sacking the town of Los Palitos, they arrange for Lucky Luke to be arrested for their crimes.

Bob, Grat, Bill and Emmett Dalton were fearsome bandits until Lucky Luke put a final end to their reign of evil. Joe, Jack, William and Averell Dalton, on the other hand, aren't even footnotes in the back pages of newspapers. They vow to emulate - and avenge - their prestigious relatives but do they really stand a chance?

Grand Duke Leonid is in Washington to sign a commercial treaty on behalf of the Tsar. But this aristocrat has read too much Fennimore Cooper and wants to visit the West. The US government is forced to agree with his whim - but wisely chooses Lucky Luke to escort him to the cattle capital of the West.

'The Daltons have escaped ' This is the story of the first time that the idiot brothers break out of jail. Driven by Joe's unshakeable need to get revenge on Lucky Luke, the outlaws terrorise several towns before hatching a genius plan: get the Lonesome Cowboy his very own wanted poster.