Dee Costello (Author) Dee Costello is a children's book editor and writer who grew up in London, spent a happy chunk of her life in Boston, USA, and is now living by the big, beautiful sea in Worthing, UK. At every opportunity she will try to smell pine trees, cycle, surf, laugh, make arty 'creations' with her two children, and read . . . out loud! María Perera (Illustrator) At a very young age María found out that there are few things in life she enjoyed as much as listening to The Beatles and drawing. When she grew up she graduated in Art History at the University of Oviedo and soon after she studied Graphic Design at the Art School of Avilés. Nowadays she still listens to The Beatles and feels fortunate to be able to do what she loves the most for a living: illustration.