The Book of Anti-Gravity by David Hatcher Childress is an insightful guide that explores the fascinating concepts of anti-gravity and its potential applications. This work highlights the theories and discoveries of significant scientists such as Albert Einstein, Nicola Tesla, and T. Townsend Brown, aiming to provide a deeper understanding of the possibilities of anti-gravity. The guide is written in German and consists of 265 pages presented in a handy paperback format. Weighing 364 grams and with compact dimensions of 13 cm in height and 21 cm in width, the book is suitable for both personal use and travel. It is aimed at readers interested in innovative scientific ideas and their impact on leisure and travel. Published in 1997, this publication offers an exciting perspective on the limits of physics and encourages engagement with alternative technologies.