I have 3 on the go in the Music Room atm;
Rocket Ranch ties in alot of the "behind the scene" details other history books skip over when talking about launch and mission control centers.
Titan II A History of a Cold War Missile Program
The problems encountered and resolved with contractor management, concurrent design, construction and maintanance are an increadable insight into a _massive_ and increadably technical engineering project. Wow
Ignition!
The first 2 chapters are chalk full of humour, but after that, dig your heels in for some chemistry. This book gives insight to all the liquid fueled rocket programs; Murcury, Gemini, Atlas, Titan I/II etc and how brutally hard these fuels were to engineer engines for. Read Titan II for stories