This may not be the "best" (not sure if there is a single best), but is pretty well known: https://en.m.wikipedia.org/wiki/The_Mythical_Man-Month https://en.m.

This may not be the "best" (not sure if there is a single best), but is pretty well known: https://en.m.wikipedia.org/wiki/The_Mythical_Man-Month https://en.m.wikipedia.org/wiki/The_Mythical_Man-Month It also has a 20 or 25 year later anniversary edition. I like his chapter / point about "No silver bullet" in the 2nd edition. Edit: He (Fred Brooks, the author) was in charge of the OS/360 project (OS for the IBM System 360 mainframe series). A pretty large project of the time - years long. The cover image is a good analogy - tar pits.