[3] His work has also been seen in books such as Texas Zombie Wars, (Super) Hero Happy Hour, Dead@17 Rough Cut, Digital Webbing Presents and Champion of Children.

He later published it in a mini-comic format through the creator-owned Hired Gun Comics [5] Cal worked on the remaining AMP run of Shades of Blue, which ended with issue #10.

He also drew all five issue of the book when Digital Webbing took over as publisher, as well as designing the new Shades of Blue logo.

[5] In 2003, Cal illustrated the Gail Simone-written back-up story "Part Time" for Geek Punk's Super Hero Happy Hour #4.

In 2004 he drew "Two Shots, Two Slugs" for Geek Punk's Hero Happy Hour Super Special.