The product is a vintage reprint of the "Practical Engineering" book by Theo. Audel & Co. from 1924. It is part of the "Audels New Practical Engineering" series and is intended for adult readers interested in engineering and technology. It covers numerous topics focusing on the basic fundamentals of engineering physics making it a great starting point for someone looking to get into the field of mechanical engineering and material science. The book is illustrated and written in English with detailed information which remains relevant today and necessary to understand more complex mechanics moving forward into modern and innovative mechanical systems. Audels has always been and presently remains one of the most reliable, accurate and trusted sources of modern technology information available. On top of being a great source of historical and timeless knowledge Audels books are fun to collect and aestheticly pleasing on your bookshelf. With their durable construction and material composition they have withstood years of workshop abuse and greasy handed referencing and will survive through many more. There are many examples of extensive use bearing oil l, paint, and all sorts of foreign debris providing evidence of how useful the information provided is for everyday real life projects. The ones that habe survived are becoming increasingly hard to find and will only increase in value and desirability. The numerous advantages of obtaining a relevant copy for your field of expertise of an audels handbook makes these particular series of books consistently a quick sale. Don't hesitate to grab one before they're all gone and the next sales wave is years away.