Cartoonish Non-Fiction Book Illustrations

I'm looking for a talented illustrator to create 12 cartoonish illustrations for chapter headings of my non-fiction book. The illustrations should be engaging and fit the theme of the book while adding a whimsical touch.

Requirements:
- 12 cartoonish illustrations
- Black and white color palette
- Used for chapter headings

Ideal Skills:
- Experience in cartoonish style illustrations
- Ability to conceptualize ideas based on book themes
- Proficiency in black and white artwork

Please provide samples of previous work.