A book called: Handkerchief Maps: (with information on number of slices), was found on Amazon. The authors are named only as James A and John P. The free trial shows pictures of very young girls with prizing and coded information. Have a look:
http://imgur.com/a/0wN14
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Swissmiss ago
Read page 2 of this link: ..." Your humble authors, John and James learned the art of „handkerchief Pizzas“ year ago. John’s brother Tony had just returned from a trip to Portugal. ..etc.
https://www.fbcoverup.com/docs/library/2016-11-22-The-Guide-to-Handkerchief-Pizza-by-John-Podesta-James-Alefantis-accessed-Kindle-Jan-03-2017-Nov-22-2016.pdf