Cath Howe (Author) Cath Howe is an author and teacher based in South West London, UK. Her novels for middle-grade readers include Ella on the Outside, How to Be Me and My LIfe on Fire (The Times Children's Book of the Week). She also regularly runs workshops on writing and performing. Call The Puffins! is Cath's first younger fiction series. Ella Okstad (Illustrator) Ella Okstad returned to her native Norway after graduating from the Kent Institute of Art and Design. She has worked on lots of different children's books for both Norwegian and British publishers and is particularly well known for illustrating the Squishy McFluff series.