Knowledge available in the world of books is found in two types of records. Text book of the Science (of the Supreme reality or Bramhan) explaining the theory and technique are called the `Shastras’, and the book that explain the terms and terminologies used in the shastra books are called `Prakarna’ books. Following are the examples of the latter type of books.

• Vivekachudamani
• Upadesha-Sahasri
• Atma-Bodha
• Aparokshanubhuti
• Dasha-Shloki
• Shata-Shloki
• Vakya-Vritti
• Panchikarana
• Prabodhasudhakara
• Tattva bodhaa