History of the board game Monopoly it an end to "steady progress" and an impediment to progress. Several authors who have written about the board game have noted many of the "house rules" that have become common among players, although they do not appear in Parker Brothers' rules sheets. Gyles Brandreth included a section titled "Monopoly Variations," Tim Moore notes several such rules used in his household in his Foreword, Phil Orbanes included his own section of variations, and Maxine Brady noted a few in her preface. Authors Noel Gunther and Richard Hutton published "Beyond Boardwalk and Park Place" in 1986, as a guide, per the
History of the board game Monopoly sole inventor of the game, but sought out an affidavit by Darrow to repeat his statements to the contrary, and thus bolster their claim to the game. Parker Brothers subsequently decided to buy out Magie's 1924 patent and the copyrights of other commercial variants of the game to claim that it had legitimate undisputed rights to the game. Robert Barton, president of Parker Brothers, bought the rights to "Finance" from Knapp Electric later in 1935. "Finance" would be redeveloped, updated, and continued to be sold by Parker Brothers into the 1970s. Other board games based on a similar principle, such