Energy in Nature, being, with some additions, the substance of a course of six lectures upon the forces of nature and their mutual relations

Here at Ryan OHorne Books we stock a large selection of rare, out-of-print, antiquarian and ex-emporium books and our tailor-made database and online cataloguing system allow you to browse and search with ease. Whether you are a collector, an avid reader, have specialist interests, are looking for that perfect gift or are just a curious passer-by, we are bound to have something of interest amongst our vast and daily updated inventory; and if we dont have what you are looking for we will find it for you! Just give us a call or email us to let us know. As a small, family run business we are, above all else, fastidious about customer service. After many years of being, not only an online retailer, but avid online consumers too, we appreciate the needs and concerns of our customers and fellow shoppers. We want you to feel at home whilst browsing our virtual shelves and we strive to make your online experience as relaxed and hassle-free as possible. With that in mind we offer a comprehensive pre & post purchase customer care service, so that you can browse with ease & purchase with confidence. In addition to complete & accurate representation of our goods and high quality images of each and every item we want our customers to feel free to email, or call us, with any questions & to request more photographs or information wherever they see fit. If and when you decide to make a purchase with us we will endeavour to keep you abreast of your chosen item’s progress including payment & dispatch information; this is all part of our prompt, friendly and personal service.