Like Kerbal Space Program? Then check out this book: Apollo. Or if you're more interested in the science behind spaceflight, you might like this: Fundamentals of Astrodynamics

KSP Parts

Title Package Author Cost Mass Crash Tolerance Drag Max Temp
RCS-175 RCS Tank NovaPunch - SIDR Wobbly - Remix Pack Omnivore | Tiberion (textures) 550 2 160 0.2 2900