How the Body Works is a comprehensive illustrated encyclopedia of human anatomy by author Peter Abrahams, published by Amber Books. The book is arranged according to the body's different structures and systems, offering an in-depth exploration of how the human body functions—from the brain and heart to individual nerves, ventricles, and joints.

The encyclopedia features over 1,500 fully annotated colour photographs, medical imaging, and artworks spread across 512 pages, with approximately 260,000 words of text. It covers topics ranging from how we hear and how we age to the mechanics of digestion, circulation, and the nervous system. The writing is highly detailed yet accessible, making it suitable for general readers, students, and anyone with a curiosity about human biology.

Measuring 285 x 227mm in a hardback format, it is a substantial reference volume ideal for home libraries, students studying anatomy or health sciences, and medical professionals seeking a visual reference guide. ISBN: 978-1-78274-435-1.