Your search for "used" revealed the following:

The Path Breakers: They Refused to Join the Rat Race

A Fable of a Seeker and a Sage, Destination Happiness, 20 Secrets Revealed

Dhvanyaloka Locana With An Anonymous Sanskrit Commentary And English Translation (An Old and Rare Book)

The Doctrine of the Sufis (Kitab al-Ta'arruf Li-Madhhab Ahl Al-Tasawwuf)

The Ramayana of Shri Guru Gobind Singh Ji

Herbal Wealth of Western Ghats - Agasthyamalai (A Pictorial Herbal Guide)

Essence of Bhagavad-Gita Volume-1 A simplified crash course for the young and old based on the five volume series, 'Spirituality for the modern youth'

First - Aid Specifics of Homeopathic and Biochemic Treatment

Karna’s Death (A Play By Pukalentippulavar)

Indra and Vritra – The Demon who Terrorised the Gods

Quantum Physics and Consciousness (Thoughts of Founding Fathers of Quantum Physics and other Renowned Scholars)

Ayurvedic Home Remedies

Study of Homoeopathic Medicines Through Clinical Verification

Homoeopathic Approach - Lymphatic Filariasis (An Old Book)

E.M. Forster's - A Passage to India

Dhyanasvarupam (The Principles and Practice of Meditation) (Sanskrit Text with Transliteration and English Translation)

Star English-Tamil Children's Picture Dictionary (With Roman)

Ayurvedic Management of Stroke (Hemiplegia)

VEDANTA And its Philosophical Development

The Metaphysics and Epistemology of The Early Vaisesikas (An old & Rare Book)