For context, this book was out of print for a long time and the only way to get it was via PDF. The recent re-interest in rockets has led to it being re-published.
https://smile.amazon.com/Ignition-Informal-Propellants-Unive...
https://smile.amazon.com/Ignition-Informal-Propellants-Unive...
I don't think anyone proofed it.