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Describes the chemistry and combustion process of many solid propellant formulas. Also includes a brief overview of nozzle flow and thrust generation. 

High Power Rocketry

Modern High Power Rocketry 2 by Mark Canepa

Brings the reader through Level 1, 2, and 3 of HPR. Chock-full of information and pictures about building rockets at the HPR scale.

Materials

MMPDS Metallic Material Properties Development and Standardization by Battelle Institute and the FAA

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