Published in Springfield News Leader (03.11.2013)

Published in Business Wire (28.02.2008)

Published in The Canadian Press (26.01.2009)

by Summerville, Roslyn
Published in Daily herald (Arlington Heights, Ill. : Arlington Heights ed.) (07.03.2017)

by Lovegrove, James
Published in The Financial times (London ed.) (01.11.2008)

by Gaiman, Neil
Published in Daily telegraph (London, England : 1969) (03.07.2010)

by Jenco, Melissa
Published in Daily herald (Arlington Heights, Ill. : Arlington Heights ed.) (23.02.2010)

by Boucher, Geoff
Published in Sunday gazette-mail (14.02.2010)

Published in The Gazette (Montreal) (27.01.2009)

by Halsted, Christian
Published in The Financial times (London ed.) (03.07.2010)

by Hillel Italie Associated Press
Published in Daily herald (Arlington Heights, Ill. : Arlington Heights ed.) (27.01.2009)

by Minzesheimer, Bob
Published in USA today (Arlington, Va.) (27.01.2009)

by Short, Sharon, Life, Literary
Published in Dayton daily news (Dayton, Ohio. 1987) (17.08.2014)

by Baenen, Jeff
Published in Prince George citizen (1984) (27.09.2008)

by Churchwell, Sarah, Dugdale, John, Jaggi, Maya, Hoare, Philip, Flood, Alison
Published in The Guardian (London) (21.11.2009)

by Gaiman, Neil
Published in Daily telegraph (London, England : 1969) (17.04.2014)

by Edinger, Monica
Published in New York Times Book Review (15.02.2009)

Published in Dominion post (Wellington, N.Z.) (20.02.2010)

Published in Essex chronicle (29.10.2009)

Published in Brentwood gazette (28.10.2009)