Eric Braun has written dozens of books for readers of all ages and edited hundreds more. He is a McKnight fellow and a nice fellow, and he likes to ride his bike really far and really fast.

He lives in Minneapolis with his wife and two sons, some of whose antics have found their way into his books (unbeknownst to them).

Mariano Epelbaum is a Character Designer, illustrator and traditional 2D animator. Working professionally since 1996 in various disciplines of Animation and Illustration where characters that designs tend to be very expressive and original. Currently in art direction on several projects, always trying different styles and techniques.

As an animation artist, participated in outstanding productions in Argentina, as Character art director and character designer of Foosball, Argentine-Spanish 3D production directed by Juan Jose Campanella, Garcia Ferre movies Manuelita and Corazon, las alegrias de Pantriste; Micaela (Encuadre SA), Bahia Magica (Bitt Animation), the three films "Dibu" and TV series mi familia es un dibujo (Patagonik film Group), and scenes of the film Ogu y Mampaton ( Hook Up Animation). He has also worked in various animated commercials. In the field of illustration collaborated with Spanish publishers Edebe, Planeta De Agostini, Vicens Vives, Bromera, Imaginarium and Estudio Fenix.

He also did work for Alfaguara, El Gato de Hojalata, Pictus, Clasa, Grupo Editorial Norma, Puerto de Palos and Ediciones Urano from Argentina and Santillana from Puerto Rico, United States and UK.