Realistic Children’s Book Illustrations

I’m putting together a children’s book for readers aged 8–12 and need every page illustrated in a realistic style. The main characters are based on my grandchild and me, so likeness is essential—facial features, skin tone, and key expressions should feel recognisable without drifting into caricature... (Budget: $250 - $750 USD, Jobs: Caricature & Cartoons, Illustrator)