Yes, we have written and published some content for some popular gaming books.  Here is a list of some of Dana’s De Vries work :

and also
Bill La Barge

Publication information on this site courtesy of Pen-paper.net.

Also in Beta Testing: 

Ice Warz:  A card game based on Olympic Figure Skating complete with Teddy Bear Bombs by Dana De Vries.

Fishy Food:  A tile placement game based on bigger fish eating littler fish by Dana DeVries.