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We welcome feedback about the books as well as inquiries for bulk orders. Note that as of March 2014 petersongis is no longer accepting new clients. Please address correspondence to:



"For any geo-technology professional, would-be cartographer, and mapping aficionado, Cartographer's Toolkit is a must-have."
  - Glenn Letham, Editor,

"A book full of little cartographic nuggets."
  - Clint Brown,
    Director of Software Products, Esri


Buy Cartographer's Toolkit Today!