All images and text copyright Christopher Mackay unless indicated. All rights reserved; reproduction without express written permission is prohibited.
For use of text or images in print or for any commercial licensing rights, contact me for permission.
Forgiveness is not easier (or cheaper) than permission.
You can quote images or text without asking permission on your educational or non-commercial blog, website, or social media, as long as you give me clear credit and provide a link back to the source.
Students and teachers can, of course, quote images or text for non-commercial school activity, as is their legal, fair-use right.