Ramón Makes a Trade by Barbara Ritchie, illustrated by Earl Thollander. Published by Parnassus Press. 1959.
Excellent picture book that is told in both English and Spanish. Nice bold ink lines and characters by Earl Thollander, who worked as an artist-reporter for many years. He illustrated many children's books, even writing a few of his own. Earl died in 2001 at the age of 79.
Some links about Earl Thollander:
Earl Thollander on Amazon
Earl Thollander Family Archives (with a photo of the artist).
Earl's bio in the book:
Earl Thollander lives in San Francisco with his wife and two children. From his home and studio he can see the Golden Gate. He not only was born there but has lived there most of his life, except for service as a naval officer in the South Pacific during World Ward II. He has traveled in Mexico and Europe as an artist-reporter. Whereever he goes, he paints the people of the country. He has received many awards for his work, and has been exhibited in San Francisco, New York and Japan.
A look inside the book (click on each image to view larger):