Hatha Yoga: The Yogi Philosophy of Physical Well-Being

A school textbook that introduces yoga as part of health and physical education, with asanas, breathing practices and guidance on diet and hygiene. Written for younger students but useful to any beginner.

NCERT

An evidence review on what yoga does and does not do for specific health conditions, drawn from research rather than tradition. Covers safety, and yoga for children, older adults and pregnancy.

National Center for Complementary and Integrative Health

Produced with the WHO Collaborating Centre in Traditional Medicine, this guide sets out yoga practices for anxiety, depression, stress and sleep. Each protocol lists the practices and how long to hold them.

Morarji Desai National Institute of Yoga

Sivananda on applying yoga outside the mat: diet, discipline, work and the habits that support a practice. One of his earliest and most practical books.

Swami Sivananda