Pre-recorded CD's, [video tapes, laser disks ] and DVD's featuring yoga, religion, health, healing, religious unity, world peace, spiritual development, spiritual growth, Sri Swami Satchidananda, Swami Sivananda, saints, sages [; Prerecorded audio tapes featuring yoga, religion, health, healing, religious unity, world peace, spiritual development, spiritual growth, Sri Swami Satchidananda, Swami Sivananda, saints, sages]