written by Andrea Mills and Stella Caldwell. written by Andrea Mills and Stella Caldwell written by Al Blyth and Stella Gurney. written by Andrea Mills and Stella Caldwell ; consultant, Philip Parker. written by Noel Hawks and Steve Barrow. written by Stella Caldwell written by Struan Reid and Louie Stowell. written by CK Smouha ; illustrated by Isabella Bunnell. written by Richard Walker ; illustrated by Rachel Caldwell. written by Dipper Pines and Mabel Pines