These web pages (diagrams, puzzles or the information contained within the puzzles, photographs, sketches, cartoons, illustrations, ray-traces, writing, programs, spreadsheets, recipes, sound files, HTML code and so on) are the copyright of Paul Grosse. All Rights Reserved.

Images from other websites are for illustration only and come under fair use. Logos and so on are the copyright of their respective owners.

With the exception of a single, complete, personal copy, no part of this site may be reproduced either wholly, in part or in a different form without the express written permission of the author (Paul Grosse).