I take the train to work everyday and I use that time to make up for years of not reading by plowing through as many books as I can.
Right now, I'm reading "Jack London in Paradise" by Paul Malmont. His first book, "The Chinatown Death Cloud Peril", is one of my favorites. He seems to enjoy taking his favorite writers and dropping them into the types of stories that they wrote. I'm sure it's been done before, but I really enjoy his approach to it.
I never knew much about Jack London before starting this book, so I've been reading a bit about him and looking at old photos online. I gave myself 15 minutes to knock out a sketch of him and another 15 minutes to 'antique' it a bit: