ISBN 1440228221. Cite book URL https://books.google.com/books?id=4er4MhgPBPAC&pg=PA367&dq=Porcelain+pig+piggy+banks&hl=en&sa=X&ei=gz7nUPr_EofBswbft4HYAw&sqi=2&redir_esc=y#v=onepage&q=Porcelain%20pig%20piggy%20banks&f=false Title Warman's Americana & Collectibles Last name Schroy First name Ellen Publisher Krause Publications Year of publication 2011 ISBN 1440228221 Page(s) cited 367 Authors list Schroy ↑ "DigiBank Piggy and Panda Banks Learn to Count". Gizmodo.