The Worst Witch Strikes Again, written and illustrated by Jill Murphy, is reissued with exciting new branding and format. The Worst Witch has become one of Puffin's bestselling children's series for readers aged 5 - 9 years.It's the summer term at Miss Cackle's Academy for Witches and disaster-prone Mildred Hubble is in deep trouble yet again - and all because of the new girl, Enid Nightshade, who isn't nearly as angelic as she looks.