Books:

Mr. Goat's Valentine by Eve Bunting and illustrated by Kevin Zimmer, published by Sleeping Bear Press in 2016

Cupig the Valentine Pig by Claire Tattersfield and illustrated by Rob Sayegh Jr, published by Flamingo Books in 2023

https://www.zimmerart.com

https://www.robsayart.com/

https://www.penguin.com/claire-tattersfield-publishing-assistant/