Many religions are reflected in Children's literature, see below for some examples of the world's largest religions.
Islam (1.3 billion people worldwide)
The Proudest Blue by 
My Grandma and Me by 
Love from A to Z by Christianity (2.1 billion people worldwide)
The Flyaway Kite by 
Pascual and the Kitchen Angels by Nonreligious (Secular/Agnostic/Atheist) (1.1 billion)
Godless by Hinduism (900 million people worldwide)
Ganesha's Sweet Tooth by Chinese traditional religion (394 million)
The Girl Who Drank the Moon (Winner of the 2017 Newbery Medal) by Buddhism (376 million people worldwide)
Zen Shorts by African traditional and Diasporic (100 million)
Time's Memory by Judaism (14 million people worldwide)
It's a Whole Spiel by