The Art Of Strategy is co-authored by Barry J. Nalebuff who also has a great Coursera course on Negotiation (unrelated to your question)
https://www.coursera.org/learn/negotiation
The Art of Strategy[1] is a good layperson level game theory book that will put you in the right mindset. It's not about fundraising at all, but that doesn't matter -- it's the mindset that's important IMO.
The Teaching Company audiobook or video https://www.amazon.com/Games-People-Play-Theory-Business/dp/...
The Art of Strategy: A Game Theorist's Guide to Success in Business and Life https://www.amazon.com/Art-Strategy-Theorists-Success-Busine...
The Art Of Strategy is co-authored by Barry J. Nalebuff who also has a great Coursera course on Negotiation (unrelated to your question) https://www.coursera.org/learn/negotiation