Start with high-confidence christian friendship stories books, then narrow by subgenre or adjacent topics.
Heaven to Betsy/betsy in Spite of Herself
Maud Hart Lovelace
No Boys Allowed
Michelle Medlock Adams
Natalie and the Bestest Friend Race
Dandi Daley Mackall
Hello Stars
Alena Pitts
Mister God, This Is Anna
Fynn
A Friend at Midnight
Caroline B. Cooney
Chocolate-covered Baloney
KD McCrite
Finding Home
Karen Kingsbury, Tyler Russell
Secrets of Thief Cave
Becky Freeman
Yellow Eyes in the Dark
The Peanut-butter Burglary
Chasing the Spotlight
Sarah Anne Sumpolec, Lissa Halls Johnson
The Me You See
Jill Williamson, Lissa Halls Johnson
