This photo copied version of "The Manual of Free Energy Devices and Systems Volume 2" is a must-have for enthusiasts of popular science, reference, and engineering topics. With 123 pages of illustrated content, this book covers a wide range of subjects, including civil engineering, inventions, electronics, hobbies, design, technology, classic literature, documentaries, electrical installation, environmental engineering, agriculture, mechanical engineering, and collectibles. It also includes short stories and narratives of various literary movements such as expressionism, enlightenment, post-modernism, realism, and modernism. The book measures 11 inches in length, 11 inches in height, and 8 inches in width, and weighs 5 oz. It is written in English and has an original language of English. The book is not personalized and has not been signed or inscribed. It was published by an unknown publisher, and its publication year is unknown. The book is perfect for young adults, ages 9-12, and adults who are interested in learning about free energy devices and systems.