Shelley Admont 
Amanda and the Lost Time 아만다와 잃어버린 시간 [EPUB ebook] 

English Korean Bilingual children’s book. Perfect for kids learning English or Korean as their second language.
In this children’s book, you meet a girl named Amanda who has a habit of wasting her time. That is until, one day, something magical happens and Amanda finally realizes that time is the most precious thing we have – and that once it is wasted, it is lost forever. In order to get her lost time back, Amanda goes on a journey and learns to use her time wisely.