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Eric Harshbarger
title
ISBN-13
(ISBN-10)
year of publication
Pentomino Puzzles: 365 Teasers to Keep Your Brain in Shape
978-1-4O27-6699-2
(1-4O27-6699-8)
2011
E.H.
·
Eric Hershberg
·
Erik Hirschfeld
·
Erika Harispé
·
Erika Herzfeld
Eric Hart