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Discuss various forms of recovery systems. Mostly applicable to large-scale launch vehicles (L3 and larger) and spacecraft.
Structures
Composite Airframe Structures, by Michael Niu
Discusses the engineering of composite airframes, mostly relating to airplanes but relevant to rockets. Covers materials, manufacturing, joints, safety and testing.
Shigley's Mechanical Engineering Design, by Richard Budynas
Focuses on the engineering of reliable systems. Covers all sorts of engineering concepts, but the most useful for us is Chapter 8 which covers fasteners.
Composites Manufacturing, by A. Brent Strong
Focuses on the manufacturing of all kinds of composites. There's all sorts of cool stuff about various chemistries, and processes, and even ceramic composites.