Your search for "mantra" revealed the following:

Sundara Kandam Navarathna Manthra Mala

The Vaisnava Upanisad-s - English Translation Based on the Commentary of Upanisad Brahmayogin

The Kathopanisad with Sankarabhasyam (Based on Swami Paramarthananda's Lectures)

Exam Warriors

Essentials of Sama Veda and its Music (Sanskrit Text with Transliteration and English Translation)

Sama Veda: Sanskrit Text, English Translation and Notes (Set of 2 Volumes)

Sikh Concept Of The Divine

Ishavasya Upanishad (The 40th Chapter of the Yajur Veda)

Gayatri Mahima Madhuri (The Sweet Glories of Gayatri)

Atharva Veda (Sanskrit Text, English Translation and Explanaotry Notes) (Set of 6 Volumes)

Soma (The Delight of Existence) (Sanskirt Text with Transliteration and English Translation)

Mundakopanisad (Set of 2 Volumes)

काली उपासना: Kali Upasana

How to Manifest Bliss (Sanskirt Text with Transliteration and English Translation)

Rishi-s of The Four Veda-s and Upanishad-s

Purusa-Sukta: The Most Ancient Vedic Hymn (With the Commentary of Saunaka)

The Four Vedas with Spiritual Translation (Set of 22 Volumes) - Sanskrit Text with English Translation

Unveiling The Light In The Veda

Hymns From Rig-Veda (Sanskrit Text, English Translation and Notes on the Selected Suktas from the Rig-Veda)

Essentials of Yajur Veda (Krshna and Shukla)