Lawrence Schimel was born in New York in 1971. He graduated from Yale and now lives in Madrid, Spain. He writes in both Spanish and English, and has published over one hundred books in many different genres -- poetry, fiction, essays, comics -- for children and adults. His writing has been translated into over thirty languages, and he has won the Lambda Literary Award, among many other honors. His books ¿Lees un libro conmigo? and Igual que ellos / Just Like Them were both selected as one of IBBY's Outstanding Books for Young People with Disabilities, and No hay nada como el original was a White Ravens selection. Alba Marina Rivera was born in Russia in 1974, and she grew up in Cuba. When she moved to Barcelona she discovered her love for illustration, which she studied at the Escola Massana. She received the prestigious BolognaRagazzi Award in the New Horizons category for her book El contador de cuentos.

It was also recognized as "Los mejores libros para ninos y jovenes" (the best books for children and youth) by Venezuela's Banco del Libro and was a finalist at the Picture Book Festival in Korea. Elisa Amado is a Guatemalan-born author and translator. She has written My Friend (Mi amiga), illustrated by Alfonso Ruano; Un Barrilete para el Día de los Muertos / Barrilete: A Kite for the Day of the Dead; Cousins (Primas), illustrated by Luis Garay; Tricycle (El triciclo), illustrated by Alfonso Ruano, which is on the Américas Award Commended List and is a USBBY Outstanding International Book; and What Are You Doing? and Why Are You Doing That?, both illustrated by Manuel Monroy. She lives in Toronto.