Your search for "ancient" revealed the following:

Notes on Religion and Philosophy by Gopinath Kaviraj (An Old and Rare Book)

Indian Glass Beads- Archaeology to Ethnography

Philosophy Of Sri Guru Grantha Sahib Ji

Dancing with Kali

Accupressure Therapy for overcoming Physical, Psychological and Spiritual Distress (Introduction) and Common Ailments [Set of 2 Vol]

Scienco Spirituality (Connecting Science With Spirituality)

Hindu Horary Astrology

The Asokavadana (An Old and Rare Book)

Origin of Brahmi Script (The Beginning of Alphabet In India) (An Old and Rare Book )

Nature's Spokesman M. Krishnan and Indian Wildlife

Exploring The Hindu Mind (Cultural Reflection and Symbolism)

Atreyasiksa (A Siksa of The Taittriya School)

When Mirrors are Windows

That Alone The Core of Wisdom (A Commentary on Atmopadesa Satakam The One Hundred Verses of Self-Instruction)

The Wealth of Indian Alchemy and Its Medicinal Uses (Second Revised Edition) (In Two Volumes)

Tirupati (A Guide to Life)

The Cult of Kumari Virgin Worship in Nepal

Dictionary of Organon (Difficult and Obsolete Words Made Easy with Modern Terms)

Yogasiddhantacandrika Of Narayanatirtha

Secrets of Effective Work : Agni's Guidance (Based on Rig Veda Mantra-s) (Sanskrit Text with Transliteration and English Translation)