Lone Riders by Daniel Pennac
Back in jail and sick of failure, the Dalton brothers turn on Joe and bet that whoever first earns a million dollars will lead the gang, then break out and go their separate ways.
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Tonino Benacquista
Tonino Benacquista is a French novelist and screenwriter. With Daniel Pennac he wrote two Lucky Luke albums, Lucky Luke versus the Pinkertons and Lone Riders.