Claudio Aguilera is an award-winning Chilean journalist and children's writer. 9 Kilometers was shaped by his childhood memories of long, long walks to school and the pride his ten-year-old self felt after receiving an award for perfect attendance. The Spanish version of this book was selected for the 2021 White Ravens catalog and was named the 2021 children's category winner of the Chilean Ministry of Culture's Marta Brunet Award. 9 Kilometers is Claudio's English- language debut. Visit the book's Spanish-language website at 9kilometros.cl and follow Claudio on Twitter @CE_Aguilera_A.