Illustrating educational publications is a specialist skill. What is necessary for a good looking group success is consistency of style through the book. David Kidd is a specialists in all of this.
How to plant a tree
one of seventy-seven diagrams for
Landscape Trees and Shrubs
University of California Department of Agriculture
Humor in Education
Cartoons and comic illustrations are effective in education. This booklet advises stopping smoking and changing diet. Twelve illustrations for Understanding High Blood Pessure, a Guide for Patients for ICI Pharma by The Medicine Group.