The biography regarding how NeXT came to be is quite relevant in how it all went, and how lucky it was that Apple ended up going with NeXT instead of Be.
"Steve Jobs and the Next Big Thing"
"Steve Jobs and the Next Big Thing"
"Creative Selection: Inside Apple's Design Process During the Golden Age of Steve Jobs"
https://www.amazon.com/s?k=ken+kocienda&i=stripbooks&crid=37...
There is actually a Youtube video from The Computer History Museum on the book with the author and key figures from NeXT’s history [Recorded May 26, 2026] (haven't seen it yet, but looking forward to): https://www.youtube.com/watch?v=gnNdb2wa_NE