Sometimes users upload the PDF to document-sharing sites. You might need a free trial or a subscription. This is usually safer than random forums.
A: Yes, check Kupindo (Serbian eBay) or Kp.rs for second-hand copies. Expect to pay €20-€50 (a high price for a small book). e zabole me pdf
Most self-help books tell you to visualize success and stay positive. Mark Manson says: "E, zabole me" (I don't care). Sometimes users upload the PDF to document-sharing sites