VK (VKontakte) is a Russian social network that has evolved into a massive repository for digital files. In many countries where access to international payment systems (like PayPal or credit cards for Amazon or Casa del Libro) is difficult, or where import taxes on physical books are prohibitive, VK has become a de facto digital library.

But is downloading the PDF from VK the right move? In this post, we will review the legendary textbook, explain why everyone wants it, discuss the legal/ethical side of the VK hunt, and—most importantly—show you how to get the official version (or legal alternatives) without hurting your karma or your computer.