The Upaniṣads — the philosophical core of the Vedic tradition, revealing the nature of Brahman, the Ātman, knowledge, action and liberation. The ten principal Upaniṣads together with select minor Vaiṣṇava Upaniṣads.
A Śaiva book on the "Lord of Cattle" and on creation beginning with desire. Much is said of the syllable Oṃ, of the swan, and of who remains awake in a person while he sleeps.