International tidying superstar and New York Times bestselling author Marie Kondo brings her unique method to young readers in this charming story about how tidying up creates space for joy in all parts of your life, co-written and illustrated by beloved children's book veteran Salina Yoon. The KonMari Method inspires a charming friendship story that is sure to spark joy! Kiki and Jax are best friends, but they couldn't be more different. The one thing they always agree on is how much fun they have together. But when things start to get in the way, can they make space for what has always sparked joy-each other?