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
EAS-40 Heavy Strut Connector NovaPunch - SIDR Wobbly - Remix Pack HarvesteR | Edit by Tiberion 250 0.1 120 0.0 3600