The Official Book of Kakuro: Book 1

Timothy E. Parker is the world’s most syndicated crossword compiler according to the Guinness Book of World Records. In 1996, Parker’s dual interests in computers and crosswords converged and he developed an interactive crossword that became the Web’s first syndicated crossword puzzle. In 1999, Parker formed Master Puzzles, Inc., bringing together the talents of more than 60 of the world’s top puzzle masters into one well-managed organization.