“Haenyeorina. Grandma Diver Goes to Work” written originally in English. This book has been translated in Korean and published in 2019 and its second edition came out in 2022. Its Korean title is "해녀리나. 해녀 할머니의 하루" This book is dedicated to Jeju women divers and tells a story of a really cool fearless grandma who is the most graceful ballerina when she dives. Second book in the Haenyeorina series just recently came out as well. It's called "해녀리나: 해녀 할머니의 보물" and it expands on the story of Grandmother Diver and her little granddaughter - an aspiring haenyeorina. Nika has also written and illustrated "깊은 산속 사슴 가족" and "엄마의 계획"