Christoph Schiller, PhD Université Libre de Bruxelles, is a physicist with more than 25 years of experience in the presentation of physics, the science of motion. The six paper volumes, written for readers between 16 and 106 years of age, are captivating and thought-provoking on every page. The volumes you order will be printed and mailed to the address of your choice within a few days after your order. The six volumes grew from Schiller's lifelong passion for physics. The free download of all the colour pdf files - and online reading - is possible at www.MotionMountain.net . Those free pdf files also show the embedded animations and films, when opened with Adobe Reader. Enjoy the reading!