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
c7-CP-001 C7 Flight Pack Version 2.15 c7Studios(Model) ArtfulShrapnel(Textures) 1600 1 30 0.2 3400