"Create a polished, well-organized PDF book titled 'South Indian Vegetarian Classics: A Comprehensive Cooking Reference' by Sonia Arunkumar. Include a cover page, overview, table of contents, and detailed recipes for six classic South Indian vegetarian dishes: Lemon Rice (Chitranna), Mixed Vegetable Biryani (Pressure Cooker Method), Thengai Sadham (Coconut Rice), Cabbage Koottu, Carrot Beans Poriyal with Coconut, and Poosanikai Mor Kuzhambu. Format the content with clear headings, ingredient lists, step-by-step instructions, and chef's tips for each recipe. Use imperial units for measurements. Ensure the layout is clean and easy to read, suitable for a cooking reference book."