yyGrams Books     books - games - puzzles
imprint of David Zethmayr, IPSE


    NEW: Spoilergates now available.

Captain Sharky's Mathical Play Show     on the road with the Grabmonsters:
            puppet show, seminar, book signings
            text of seminar paper, sample interview questions



Raptor Nest: The Bekuzzle™ Collection     puzzle-game hybrids, 2-4 players
            Games that exercise your ability to ask key questions, form guesses and
(hardest of all) discard a guess that is not working.
Now including Raptorbug, Queen of Bekuzzles


Zang-fu Math™ (Mishmosh Math™)     Series in disappearance calculus (boundary mathematics)
            ---the Grabmonster books and Spoilergates.



yyGrams™     zang-fu puzzle feature


OUTLINKS:
MathematicallyCorrect.com Parents and scientists
on changes needed in secondary math curriculum

AustralianNumerals.org Quick arithmetic techniques

LearningThings.com School & Homeschool Curricula


updated 2010.7.24
©2008-2010 David Zethmayr






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