H. M. · Heather Maclean · Heather McCollum · Heather McLannahan
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Twister 1. Activity book | 978-83-7446-944-9 (83-7446-944-7) | 2010 | Peter Jefrey · Andrea Littlewood |
| Twister 2 Activity Book | 978-83-7446-947-0 (83-7446-947-1) | 2009 | Jeffrey Peter · Littlewood Anrdrea |