Problem: Audible is costly, limited, monotonous. Reading is slow. Solution: Book v2 Audio – free open-source desktop app (Win/Linux). Takes FB2/EPUB, splits into sentences, inserts AI commentary between them (DeepSeek, ChatGPT, Grok, Qwen), synthesizes to speech (Edge TTS or Piper), saves as MP3. Uniqueness: AI comments with personality. Choose: Porfiry Petrovich (sarcastic detective), Strict Critic, Enthusiastic Fan, Scientific Expert, or custom prompt.