This book is a must-have for aviation enthusiasts. It contains valuable information about the British Civil Aircraft Registers from 1920 to 1930. The softback edition is easy to carry and read, making it perfect for those who are always on the go. The book covers a range of topics related to aeronautica and transportation collectables. It is an excellent addition to any collection and is sure to be a prized possession for years to come. Get your hands on this rare gem today!