yyGrams Books
imprint of David Zethmayr, IPSE

      The Zang-fu Math™ Series in
Disappearance Calculus (boundary mathematics)

Grabmonsters™ Eyya and Snappy are ready to get you started in disappearance calculus, the simplest math in the world. You can review them here in PDF or in HTML format (shorter download time). These are full editions, but without covers, for non-commercial use without fee. You may pass them on to friends and students. In return, however, do not not alter them in any way, nor obliterate credit to their source.

PDF files are password protected. Spoilergates is ready for content review in PDF.


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updated 2010.7.24
©2008-2010 D.Zethmayr












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