: This is the industry-standard text. While the full book is typically a paid resource, you can access the Errata and supplementary material Microcosm Press to support your study. Space Mission Analysis and Design (SMAD) : Often referred to as the "Space Bible," this book by Wiley J. Larson and James R. Wertz
: Also by Wertz and Larson, this is a broader handbook covering all aspects of space mission engineering. : This is the industry-standard text