Illustrator Needed for Fantasy Book

I am looking for an illustrator to create artwork for a fantasy novel targeted at readers aged 10–16. The project includes a total of 100 illustrations, plus a cover page, with the following breakdown:

1 Cover Page – Coloured, in a semi-realistic style
20 Full-Page Illustrations – Coloured, semi-realistic style for major scenes
80 Black & White Illustrations – Pencil art style

Ideal Skills:
- Experience in children's or young adult book illustration
- Strong background in creating imaginative landscapes
- Proficiency in multiple art mediums

Please include a portfolio showcasing relevant work.