Home › Authors › Thomas J. Walker 👤 Thomas J. Walker 4 books Books by Thomas J. Walker Field guide to grasshoppers, crickets, and katydids of the United States 2006 Field Guide to Grasshoppers, Katydids, and Crickets of the United States 2004 The application of AI techniqu The application of AI techniques for the selection of robots for industry 1996 Our state of Missouri Our state of Missouri 1928