Children's Book Publishing on Amazon

I'm seeking an experienced children's book publisher to help publish my early readers (ages 6-9) book on Amazon. The book is set in a real-world setting.

Ideal Skills and Experience:
- Proven track record in publishing children's books, especially for early readers.
- Familiarity with Amazon's publishing platform.
- Strong understanding of marketing strategies for children's books.
- Ability to design engaging cover art and illustrations suitable for the target age group.
- Experience in managing the entire publishing process from manuscript to market.

Please provide samples of previous work and a detailed plan for how you would approach this project.