Start with high-confidence kids business & economics books, then narrow by subgenre or adjacent topics.
One Cent, Two Cents, Old Cent, New Cent: All About Money
Bonnie Worth
Get to Know: Money
Kalpana Fitzpatrick
Big Money
Rebecca Donnelly
History Comics: the Great Depression
Tim Stout
From an Idea to Nike
Lowey Bundy Sichol
Making and Saving Money: Jobs, Taxes, Inflation... and Much More!
Janet Liu, Melinda Liu
National Geographic Kids Everything Money
Kathy Furgang
Priceless Facts About Money
Mellody Hobson
The Everything Kids' Money Book
Brette Sember
The Survival Guide for Money Smarts
Eric Braun, Sandy Donovan
Kid Start-up
Mark Cuban, Shaan Patel
Investing for Kids
Dylin Redling, Allison Tom
Rebel Girls Money Matters
Alexa von Tobel