Harry Beck in his spare time. He was thus never actually paid for the map. Other sources report that he was paid a fee of five or ten guineas. In 1947, when he was not fully employed (having left London Transport) he began teaching typography and colour design at the London School of Printing and Kindred Trades. After long failing to acknowledge Beck's importance as the original designer of the Tube map, London Regional Transport finally created the Beck gallery at the London Transport Museum in the early 1990s, where his works are displayed. A commemorative plaque was installed at Finchley Central
Harry Potter and the Prisoner of Azkaban October 2004. A hardcover special edition, featuring a green border and signature, was released on 8 July 1999. In May 2004, Bloomsbury released a Celebratory Edition, with a blue and purple border. On 1 November 2010, they released the 10th anniversary Signature edition illustrated by Clare Mellinsky and in July 2013 a new adult cover illustrated by Andrew Davidson, both these editions were designed by Webb & Webb Design Limited. Beginning on 27 August 2013, Scholastic will release new covers for the paperback editions of "Harry Potter" in the United States to celebrate 15 years of the series. The covers