Your search for "mantra" revealed the following:

Sampurna Pujan Vidhi with Transliteration of Mantras (Nitya Puja Sudha Kalp)

The Marriage Divine (With the Hindi and English Translation of Mantras recited at the Vedic Marriage Ceremony)

Rudra Mantras: From Taittiriya Samhita (Namaka, Chamaka, Shiva-Sankalpa, Inner Yajna and Suparna) (Sanskrit Text with Transliteration and English Translation)

Ganapati Brahmanaspati and Kumara (Mantras from Rig Veda, Yajur Veda and Upanishdas) (Sanskrit Text with Transliteration and English Translation)

Navagraha Upasana: Shanti Padhati with Transliterated Mantras and English Translation (Sanskrit Text Transliteration with English Translation)

Surya : Inner Light (With Savirt and Gayatri) (Rig Veda Mantras with Text, Translation and Notes) (Sanskirt Text with Transliteration and English Translation)

Agni in Rig Veda : First 300 Mantras by 12 Rishis (Text in Devanagari and Roman, Translations and Notes) (Sanskrit Text with Transliteration and English Translation)

Bhuta Damara Tantra (An Authoritative Tantra of Sri Krodha Bhairava Along with His Mantras, Mandal Worship Rituals and Accomplishment Rituals of Bhutinis, Yakshinis, Snake-Girls etc.)

सफलता के मंत्र (कर्मयोगी बनकर जीवन का लक्ष्य प्राप्त करें।)- Success Mantras (Achieve the Goal of Life by Becoming a Karmayogi.)

Sri Gayatri Mantrartha Dipika (Illuminations on the Essential Meaning of Sri Gayatri)

The Vedic Experience Mantramanjari – An Anthology of the Vedas for Modern Man and Contemporary Celebration

Mantrakshate

The Living Saint of Mantralayam

Two Masterpieces of Kutiyattam (Mantrankam and Anguliyankam)

Sri Raghavendra - The Saint of Mantralaya (Set of 11 Volumes)

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)