The book "Mizuumi no Kuroi Kage" is unopened☆ I've kept it without reading it☆ I'd like to sell both books together, please m(_ _)m A charming picture book for ages 10 and up from the Detective Death and Mina series. - Title: Detective Death and Mina: The Mystery of the Lake's Shadow - Series: Detective Death and Mina - Condition: Unopened - Target Age: 10 years and up - Author: Haruka Hayashi Thank you for looking.