Radek Maly is a Czech writer, poet, translator, and university teacher. He has achieved international success through his young adult book Franz Kafka: A Man of His Time and Our Own (2017) and his picture book Our Cat's Day (2023). His non-fiction books Atlas of Extinct Animals (2021), Atlas of Endangered Animals (2021), and Atlas of Prehistoric Animals (2025) have been translated into several languages, and his poetry collection for children Postman Wind (2011) was entered on the IBBY Honour List. Adam Wolf is a self-taught artist with a wide range of artistic skills, including analog and digital photography, tattooing, digital and classical illustration, and canvas painting. Having been interested in various creative activities since his early years, he studied photography at the Prague School of Photography, and these days he enjoys illustrating children's books. He was born in Pardubice, Czech Republic.