With 28 books and 12 illustrators, we've learned a few things.
www.athomeauthor.com/rl (A nice illustrator list after email request, also has editors/design folks)
Facebook Groups such as
Less Good but Maybe:
I've worked with illustrators who want all kinds of different processes/arrangements, including:
Illustration generally takes 3-6 months. My books have ranged 2-11 months for 14 images. Some illustrators are booked out a year or 2.
DM me for cost questions.
Christina Blomberg https://safflowerrabbitart.wixsite.com/safflower-rabbit-art
Lexi Wollery https://lexiwool7195.myportfolio.com/
Mireille @mireille_graphicdesigner (IG)
Miranda Wright @miranda.sketches (IG) www.mirandawright.work/portfolio
Mohammad Hosein Horri www.sunexmedia.com
Sara Abbas @saraabbasart (IG)
Megan Walker Duncun has work on Amazon (DM for contact)
Alex @eilekz (IG)
Keiko Fitzgerald https://keikofitz.myportfolio.com
Emily https://www.bumblebeeillustrations.com (CMU)