Contact us

If your subscription doesn’t work, or you have technical problems, please email:

If you have a comment on the book or the website, we would love to hear from you. Email us at:

Or, you can contact us on Twitter at @ProgrammingCats.

If you want to contact the illustrator, Karen Donnelly, her website is karendonnelly.com. Follow her on Instagram. Please do not contact her about book availability, translations, and other non-illustration topics!

Thanks,

Tigerlily

Cat waking me up