You can read how to sew stiff felt in quiet books when you sew the felt on the prepared pages, when you sew removable parts and when you sew small felt pieces.
Making A Quiet Busy Book {Part Two} – Sewing Tutorial – Clover
Here is how to make quiet book pages stiff
How to stiffen felt for quiet book - this is so quick and easy
10 Page No-sew, Machine Sew or Hand Sew Toddler Felt Busy Book
Quiet Books: The Ultimate Quiet Book Guide - Felt With Love Designs
Christmas Thick 1.4mm Baby Quiet Book Pattern DIY Wool Blend Felt
Quiet Books: The Ultimate Quiet Book Guide - Felt With Love Designs
How To Sew Stiff Felt In Quiet Books
How to Make Stiff Page of Quiet Book
DIY No-Sew Quiet Book — Crafted Together