Isabelle Marinov first started writing when her parents bought her a typewriter for her ninth birthday. She went on to work in law for fifteen years before returning to her lifelong passion for writing full time. She has now written a range of picture book and screenplays, but Boy Underground is her first middle grade novel.Isabelle is a graduate of Cornell Law School and lives in Luxembourg. When she is not writing, she can be found on the tennis court or in the dojo. She speaks four languages fluently.Paula Zorite is a digital artist based in Valencia, Spain. She developed an interest in drawing at a very young age, spending much of her free time painting and creating characters. It was during her time studying Fine Arts at the Polytechnic University of Valencia that she discovered her pas-sion for digital illustration. Since then, she has participated in exhibitions, art events and taught drawing classes. A versatile artist, Paula has worked with a variety of authors, publishers and companies creating vivid illustrations, book covers, logos and characters. Her style is characterized by a rich and harmonious use of colors and her strong sense of narrative.