Start with high-confidence christianity for kids books, then narrow by subgenre or adjacent topics.
My Little Golden Book About God
Jane Werner Watson
Jesus, Our True Friend
Sally Lloyd-Jones
Weird and Gross Bible Stuff
Rick Osborne, Quentin Guy
Catholic Book of Bible Stories
Laurie Lazzaro Knowlton
Favorite Parables From the Bible
Nick Butterworth, Mick Inkpen
The Rhyme Bible Storybook
L. J. Sattgast
Baptized in the Water
Glenys Nellist
The Book of Belonging
Mariko Clark
The Toddler's Bible
V. Gilbert Beers
How Great Is Our God
Louie Giglio
The Wonder of Creation
