Since 2016 half of the engineering textbooks I ordered on Amazon has been a shaddy reprint. Most I managed to get a refund, but the process is slow since the sh

Since 2016 half of the engineering textbooks I ordered on Amazon has been a shaddy reprint. Most I managed to get a refund, but the process is slow since the shipping is international. After that, I only buy from local stores or directly from the author/editor.