Here's my honest review of every financial book I found genuinely useful, because most personal finance books cover the same ground.

The Simple Path to Wealth (JL Collins): the clearest case for index fund investing I've read. Covers the basic strategy in the most accessible terms. Best first book.

The Millionaire Next Door: empirical data on how actual wealthy people live and behave. Key insight: wealth is primarily about what you keep, not what you earn.

The Psychology of Money (Morgan Housel): the best book on the behavioral and emotional side of money decisions. Not a how-to guide, but reframes how you think about risk, luck, and long-term thinking.

Your Money or Your Life: dated in some specifics but genuinely transformative on the question of what you're trading your life energy for when you spend money. Changed how I evaluate purchases.

I Will Teach You to Be Rich (Ramit Sethi): practical setup guide for young people. Best for automation and credit card optimization specifics.

Everything else in the personal finance section largely repeats these ideas with less clarity.