The book "A Brief List of Scientific Books Published and Sold by E. & F. N. Spon, Limited. September 1909" is an essential reference for anyone interested in scientific knowledge and wishing to update their library with up-to-date publications. This list features publications from various fields of science, including engineering, architecture, mathematics, physics, and others. E. & F. N. Spon's publications are always known for their quality and authority, so the reader can be sure of the authenticity and usefulness of each book on this list. This book is an indispensable resource for studying modern scientific achievements of the time and expanding your knowledge in various fields of science.