I think it makes a big difference what you're trying to learn about. I'm not sure everyone would get the same benefit from every educational book.

How to solve it by G. Polya - I didn't read it but it's on my plan to read list.

I have a few to consider.

ADHD: How to ADHD by Jessica McCabe

Thinking: Thinking in Bets by Annie Duke

Career Management: Expect to Win by Carla A. Harris

Storytelling: Storyworthy by Mathew Dicks

Design (I use it for system design, but product design too): The Design of Everyday Things by Donald A. Norman

Strategy: Good Strategy/Bad Strategy by Richard Rumelt

How to get yourself to do stuff: Atomic Habits by James Clear

Risk management: An Economist Walks Into a Brothel by Allison Schrager

Hiring: Effective Hiring Manager by Mark Horstman

Systems theory: Thinking in Systems by Donella H. Meadows

How life really works: Fooled by Randomness Nassim by Nicholas Taleb

Thinking: You Are Not So Smart by David McRaney

Skepticism: The Skeptics Guide to the Universe by Steve Novella, Bob Novella

There are tons more I love but I hope you find at least one thing to try here.

I'm weird and I study U.S. intellectual property law for fun and this free textbook is awesome. I've got the previous edition printed on dead trees and even the print edition was only $40, which is ridiculously cheap for a college textbook.

Also very cliché, and likely not a true story, but Rich Dad, poor Dad really changed my perspective.