Chris McMullen and Carolyn Kivett teamed up to write a variety of word puzzle books and, recently, some children's books, such as math flash cards for the Kindle.Chris McMullen holds a Ph.D. in theoretical high-energy physics (aka particle physics) from Oklahoma State University. He teaches physics at Northwestern State University of Louisiana. In addition to solving verbal and math puzzles, he enjoys playing chess and golf and writing books in his spare time.Carolyn Kivett loves solving verbal puzzles, such as anagrams and crossword puzzles. She runs a small business in southern California wh...