Image:Mark_Derrick.jpg '''Mark Derrick''' works for the Tennessee Department of Transportation as a Civil Engineer and graduated from the University of Tennessee in 1982. He is a licensed professional engineer in the State of Tennessee and has been married to his wife Maria since 1979. He runs an annual 18XX convention, the Chattanooga Rail Game Challenge, in January or February of each year. The event draws approximately 50 players, including many from outside the United States. He has published four 18XX games: *'''18GA''' - Georgia, published in 1998 by himself and later John_David_Galt *'''1851''' - Tennessee, based on his original 18TN and modified by Chris Lawson, published in 1998 by Chris Lawson *'''18AL''' - Alabama, published in 1999 by himself and later John_David_Galt *'''18MEX''' - Mexico, published in 2005 by Deep_Thought_Games,_LLC *'''18TN''' - Tennessee, published in 2006 by Deep_Thought_Games,_LLC He is working on 18Dixie which is a large game that includes 18GA as a playable subset (with the Cotton Port variant) and connects to 18TN to provide a 6-panel map covering the entire Southeastern_United_States. It will be available from Deep_Thought_Games,_LLC when it is ready, likely to be in 2007. ==External links== *{{bgg designer|496}} *18AL/18GA ordering information from John_David_Galt *18MEX/18TN ordering information from Deep Thought Games, LLC *Personal web site Derrick, Mark Derrick, Mark