Comment by watersb

A textbook covering the physics of spaceflight, "Astronautics" by Ulrich Walter, was made available for free download by the publisher during the COVID lockdown.

https://link.springer.com/book/10.1007/978-3-319-74373-8

My hope that this plus Kerbal Space Program would transform my brain proved that I tend to ignore my limitations.

Great book, though.

https://link.springer.com/book/10.1007/978-3-319-74373-8