Realistic Building Drawings for Book

I'm creating a special book for my husband and need realistic drawings of buildings based on photographs.

Requirements:
- Drawings should be moderately detailed, not too simple or overly intricate.
- Prefer artists with a strong portfolio in realistic architectural sketches.

Ideal Skills and Experience:
- Proficiency in realistic drawing techniques
- Experience in architectural illustration
- Ability to work from photographs

Please share samples of similar work.