This paperback book titled "Yoga for Inflexible People" by Max & Liz Lowenstein is a must-have for those who want to improve their flexibility through yoga. Published in 2020, this textbook is written in English and covers various topics related to yoga.

The book is highly informative and helpful for beginners, providing them with detailed instructions and tips to perform the exercises correctly. It is a great addition to anyone's collection who wants to learn and practice yoga effectively.