{"id":14880,"date":"2018-11-13T14:20:28","date_gmt":"2018-11-13T22:20:28","guid":{"rendered":"https:\/\/classic.powertactics.com\/?post_type=product&p=14880"},"modified":"2022-02-19T09:48:47","modified_gmt":"2022-02-19T17:48:47","slug":"principles-of-mathematics-book-1-teachers-guide","status":"publish","type":"product","link":"https:\/\/classic.powertactics.com\/product\/principles-of-mathematics-book-1-teachers-guide\/","title":{"rendered":"Principles of Mathematics, Book 1 (Teacher’s Guide)"},"content":{"rendered":"