Featuring some stuff from my friend Mark Barnard. He's an awesome science fiction/adventure/mystery writer that also does graphic deign. He's well known as the writer of the legendary OEL manga Havoc Inc.
His nifty Zazzle Store
Tons of books on Amazon
Wanna read Havoc Inc.? The publisher put it up as a webcomic! Havoc Inc
He's going through a rough patch, so anything would help. You may find something that interests you! There's a lot of great stuff up there.