Eduald Palma (Torelló) is the author of this text, but he is an illustrator and designer by training and profession. He has published books both nationally and internationally, such as El gran llibre dels somnis [The Big Book of Dreams] (translated into several languages). He has also provided illustrations advertising campaigns, record covers, and has worked in animation. Maria Saladich (Barcelona) balances her work as a surgeon with illustration and graphic humour. Under the pseudonym Marylou, she created La noia que sempre fa tard [The Girl Who Is Always Late], which was published weekly for three years in the newspaper Diari El 9 nou. She has illustrated the short story anthology Creuant els límits [Crossing the boundaries] and the novel Córrer per viure [Running to live], among others.