Steve Brezenoff is the author of more than fifty middle-grade chapter books, including the Field Trip Mysteries series, the Ravens Pass series of thrillers, and the Return to the Titanic series. He's also written three young-adult novels, Guy in Real Life; Brooklyn, Burning; and The Absolute Value of -1. In his spare time, he enjoys video games, cycling, and cooking. Steve lives in Minneapolis with his wife, Beth, and their son and daughter. . 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 José Campanella, García Ferré movies Manuelita and Corazón, las alegrías de Pantriste; Micaela (Encuadre SA), Bahía Mágica (Bitt Animation), the three films "Dibu" and TV series mi familia es un dibujo (Patagonik film Group), and scenes of the film Ogú y Mampaton ( Hook Up Animation). He has also worked in various animated commercials.In the field of illustration collaborated with Spanish publishers Edebé, 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.