ISBN 978-1-897472-54-5. Cite book URL https://books.google.ca/books/about/Screwballs.html?id=a4DLoAEACAAJ&redir_esc=y Title Screwballs Last name Mardon First name Catherine Publisher Golden Meteorite Press Year of publication 2015 ISBN 978-1-897472-54-5 Location of publication Edmonton, Alberta, Canada Authors list Mardon ↑ Mardon, Catherine (2015).