Rocket Development with Liquid Propellants by W H J Riedel

A volume tracing the evolution of European rocket engine development between 1930 and 1942. Includes the Valier-Heylandt rocket car, the A2, and the A4. Lots of interesting pictures, diagrams, schematics, layouts, and testing facilities. Many historical pictures and diagrams not seen elsewhere. A must for the A2 and A4 enthusiast. A beautiful book in A4 page format on high density paper. Very nice to handle and read.