It's hard to know where to begin, but these titles can help.
17 Children's Books For Anxious Kids
Janine Halloran, LMHC (@copingkids) / X
10 Health and Happiness Teacher for Kids ideas
10 Books For Parents Who Want To Help Their Anxious Kids
The 18 Best Books About Anxiety for Kids and Parents
When You Worry Too Much: 25 Books to Help Kids Overcome Anxiety
Anxiety Books for Kids, as Recommended by Educators
School Scout Fox
Anxiety Books for Kids, as Recommended by Educators
TES Counselors (@TES_Counselors) / X
10 Books For Parents Who Want To Help Their Anxious Kids