{"product_id":"the-persistent-problems-of-philosophy-rare-book-mary-whiton-calkins-1715762548ada","title":"The Persistent Problems of Philosophy","description":"1939. 601 pages. No dust jacket. Green cloth. Inscription to front pastedown and endpaper. Pages are lightly tanned and thumbed at the edges, with light foxing. Binding has remained firm. Boards are a","brand":"WoB","offers":[{"title":"GB \/ GOOD \/ INTERNAL","offer_id":50087936917777,"sku":"1715762548ADA","price":44.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/1715762548ADA_1.jpg?v=1722931794","url":"https:\/\/www.worldofbooks.com\/products\/the-persistent-problems-of-philosophy-rare-book-mary-whiton-calkins-1715762548ada","provider":"World of Books ","version":"1.0","type":"link"}