Go deeper
Digital Library
Lightbulb's library of digital booklets, organized by topic — ready whenever you want to explore an idea in more depth. Each chapter links here when it's time to learn more.
Investing Essentials
The building blocks — asset classes, accounts, and how to start small and stay consistent.
Getting Started with Investing
Digital booklet · PDF
Understanding Stocks & Bonds
Digital booklet · PDF
Mutual Funds vs. ETFs
Digital booklet · PDF
Saving for College
Tax-advantaged ways to fund education, from 529 plans to Coverdell ESAs and savings bonds.
Choosing a 529 Plan
Digital booklet · PDF
Coverdell ESAs Explained
Digital booklet · PDF
Savings Bonds for Education
Digital booklet · PDF
Investing for Retirement
Make the most of employer plans, matching, and tax deferral over the long haul.
401(k)s & 403(b)s
Digital booklet · PDF
Rollovers When You Switch Jobs
Digital booklet · PDF
Roth vs. Traditional
Digital booklet · PDF
Prefer to learn by doing?
Every chapter includes interactive calculators and worksheets you can use right away.