What's a good source on becoming a software dev lead? Here are a few suggestions among the many available: Brooks' "The Mythical Man Month" is a classic in this space, though I think its emphasis is less on leadership than the difficulties in software project management. And the book is rather dated now. DeMarco and Lister's "Peopleware: Productive Projects and Teams" is also a classic, and emphasizes interpersonal t…
And even the first edition untouched is still completely relevant.
While its focus is "getting teams to work well together and develop good software", I think it has excellent viewpoints and advice for any workplace where people use their brains for a living, regardless of what the company does.
I'd also like to add "Debugging the Development Process: Practical Strategies for Staying Focused, Hitting Ship Dates, and Building Solid Teams" by Steve Maguire.