Preschool Counting Story Writer

I’m putting together an educational picture-book aimed squarely at preschoolers (ages 3-5) that introduces Numbers and Counting in a fun, memorable way. I already have the visual style in mind; what I need now is a warm, imaginative storyteller to craft the manuscript itself... (Budget: $250 - $750 USD, Jobs: Book Design, Book Writing, Content Writing, Copywriting, Creative Writing, Writing Tutoring)