From Jim Johnson, line manager for STA --

Alternately (also additional contact info):

Jim Johnson: "Hey peeps. I've got more STA products in the pipeline and more work than freelance artists available. If you know anyone who does good 2d or 3d art similar to the styles we use in the books, have them hit me on email with links to portfolios, samples, and contact info. my email is jim.johnson at Feel free to share with the Trek communities. Thanks in advance!"