Your search for "ancient" revealed the following:

The Aryabhatiya of Aryabhata (An Ancient Indian Work on Mathematics and Astronomy)

Advance Techniques From Pulippani Jothidam: Explained from Ancient Text & Bhrigu Panchika (Vol-1)

Minerals and Mining in Ancient India (From the Earliest Times to the Beginning of Christian Era)

Brahmavaivarta Purana - Ancient Indian Tradition and Mythology (Set of 3 Books)

Ancient India- Bulletin of the Archaeological Survey of India- Number 1 (An Old Book)

Archaeology of Ancient Madhyadesa: Chrono-Cultural Study of Ochre Coloured Ceramics and Copper Hoards

Sri Tantraloka of Abhinavagupta with Translation of Ancient Sanskrit Commentary Jayaratha (Volume 2)

Sri Tantraloka of Abhinavagupta with Translation of Ancient Sanskrit Commentary Jayaratha (Volume 3)

Sri Tantraloka of Abhinavagupta with Translation of Ancient Sanskrit Commentary Jayaratha (Volume One)

THE PRAVARGYA BRAHMANA OF THE TAITTIRIYA ARANYAKA (an ancient commentary on the Pravargya ritual)

Sudras in Ancient India: A Social history of the lower order down to circa A.D. 600

Glimpses of Ancient Indian Poetics- From Bharata to Jagannatha (An Old and Rare Book)

Ancient India- Bulletin of the Archaeological Survey of India- Number 22 (An Old Book)

प्राचीन भारतीय दायविभाग (विज्ञानेश्वर आणि जीमूतवाहन यांच्या मतांचे समीक्षण)- Department of Ancient India

Vedanga Jyotisham - The Most Ancient Compendium of Vedic Astrology (A Full Fledged Treatise: An Adjunct to the Vedas)

Vedic Mathematics Sutra (Vedic Formulas Propounded by Ancient Scholars to Enrich Yours Computational Skills)

Ancient India- Bulletin of the Archaeological Survey of India (Numbers 20 & 21)

Things of Beauty (An Anthology fo the Wit and Wisdom of Ancient, Medieval and Modern Thinkers and Writers)

Kashmir From Ancient to Present- A Socio- Cultural & Political History (Set of 3 Volumes)

History of India- Ancient, Medieval and Modern (Set of 3 Volumes in 4 Parts)