Buy the e-book from D&R or Kidega (often ~10-20 TL) and convert to PDF if needed, or read in their app. Free option: Download the Russian original from Archive.org and read with machine translation if you don't need Turkish.
Instead of searching for risky “PDF indir” links, and search for “Satan’s Diary Leonid Andreyev”. You can download a free, legal PDF of the English text. For the Turkish translation, check with your local library’s e-resources or purchase a legal e-book from D&R, Idefix, or KitapYurdu (often under 20 TL for older editions). Seytan--39-in Gunlugu - Leonid Andreyev - PDF INDIR
: Written during Andreyev's exile in Finland, the novel echoes his own feelings of being "broken-hearted" over the tragedy of Russia. Buy the e-book from D&R or Kidega (often