http://www.funtrivia.com/trivia-quiz/ForChildren/The-House-with-a-Clock-in-its-Walls-307196.html- Take the quiz it's fun
http://www.bellairsia.com/the_work/housecw/index.html- Summary and quotes
http://book.consumerhelpweb.com/authors/bellairs/014036336X.htm- Why you should read the book and characters
http://www.thingsmeanalot.com/2007/09/house-with-clock-in-its-walls-by-john.html- Characters and pictures
http://www.bellairsia.com/the_work/housecw/index.html- Summary and quotes
http://book.consumerhelpweb.com/authors/bellairs/014036336X.htm- Why you should read the book and characters
http://www.thingsmeanalot.com/2007/09/house-with-clock-in-its-walls-by-john.html- Characters and pictures