Start with high-confidence kids fashion books, then narrow by subgenre or adjacent topics.
Fros, Fades, and Braids
Sean Qualls
Renaissance Fashions Coloring Book
Tom Tierney
How to Be a Fashion Designer
Lesley Ware
Where Did My Clothes Come From?
Christine Butterworth
Clothes to Make You Smile
Eric Darnell Pritchard
Fancy Party Gowns
Deborah Blumenthal
Bad Girls of Fashion
Jennifer Croll, Ada Buchholc
What We Wear
Maya Ajmera, Elise Hofer Derstine
Shoes!
Anna Davies, Daisy Wynter