Your search for "yoga" revealed the following:

Yoga Can Change Your Life (An Old and Rare Book)

Bhakti Yoga Pilgrimage (What Patanjali and Buddha Did Not Teach)

Advaitic Sadhana (The Yoga of Direct Liberation)

Stilling The Brain: The True Patanjali Yoga(A Scientific Interpretation)

पातञ्जलयोगसूत्रम्: Patanjala Yoga Sutram- Yoga Philosophy of Patanjali (Containing Sanskrit Sutras,their Transliteration, Meaning and Commentary in English with Original Vyasa-Bhasya)

Progressive Yoga Vidya Training Satsangs 2016 (The 2nd Chapter)

A Systematic Course in the Ancient Tantric Techniques of Yoga and Kriya

It Takes Two to Yoga (Asanas for Couples & Partners)

स्वस्थवृत्त विज्ञान- Health Science (Including Yoga and Naturopathy)

Patanjali Yoga Sutras and Their Interpretations

The Essence of Yoga Vasistha: The Great Book of Vedanta

Yoga: A Healthy Way of Living (Upper Primary Stage)

Selected Papers of 3rd International Conference on 'Yoga Research and Tradition'

Morality, Idealism, Religion and Yoga (The Meaning of Spirituality)

Yoga for all: Simple Yogic Exercises for All Age Groups

Jnana Yoga for Everyone- Overview and Practice Capsules (The 2nd Chapter)

Pancastavi: The Pentad of Hymns of Kundalini Yoga

Musings on Yogavaasishta (Yoga Vasistha) – Part III (Sustenance)

Yoga: The Way of Life Based on The Vision of Oneness

A Unique Travelogue (An Allegorical Exploration of Spirituality and Yoga)