Authors:

We couldn't get it off the ground as a film, but then we begin to think television, and Lowell pushed it out there and Jim and Nick were anxious to do Hap and Leonard anyway, and I had worked with them before, so it was a perfect story. I love the series. I hope there's a second.

Source: thequietus.com
We couldn't get it off the ground as a film, but then we begin to think television, and Lowell pushed it out there and Jim and Nick were anxious to do Hap and Leonard anyway, and I had worked with them before, so it was