Liniers is a cartoonist from Argentina who was born in Buenos Aires in 1973. His work has appeared internationally in newspapers, books and magazines, including Rolling Stone and Spirou. He has created a daily comic strip for the Argentine newspaper La Nación for more than ten years. His US children's book debut, The Big Wet Balloon, was recently published in English and Spanish editions, was named a Parents Best Book of the Year and received starred reviews from Kirkus and the Horn Book. Liniers enjoys travel and often accompanies his musician-friend Kevin Johansen on tour. He lives with his family in Buenos Aires. Elisa Amado is a Guatemalan-born author and translator. She has written Un barrilete para el Día de los muertos / Barrilete: A Kite for the Day of the Dead, Cousins (Primas) and Tricycle (El triciclo), which is on the Américas Award Commended List and is a USBBY Outstanding International Book.

Her most recent book, What Are You Doing? is a highly acclaimed celebration of reading. Elisa lives in Toronto, Ontario.