Man, Sean Platt and Neeve Silver put out some of the best writing instruction books I've read to date. It's not just that they have excellent ideas---it's that these books are digestible, practical, and easy to implement right away.
I think of myself as a creative person, so I wasn't sure Endless Ideas would help me with my particular struggles, but the book covered everything I wanted help with and a lot more.
Namely, coming up with specific plot ideas (e.g., How is the gang going to escape the room the villain locked them in?) and choosing ideas when you have way too many and struggle with finding the "best" idea (spoiler alert: there's no such thing).
It just so happens that Neeve and I have very similar writing approaches and preferences, which made this book all the more useful, but you don't have to be an introverted anxious/perfectionist writer who prefers to turn ideas around in your mind for a bit before choosing one to get a ton out of this book.
Another go-to reference for this writer.