Aurobindo, Sri The riddle of this world - 7th ed. - Pondicherry: Sri Aurobindo Ashram Publication Department 2019 - 72p. 18 cm x 12 cm ISBN: 9789352101733 Subjects--Topical Terms: doubt and faithHindu philosophyintegral Yogaspiritual truth Dewey Class. No.: 181.45 / AUR