A beautiful and shy introvert girl who loves books more than life runs a Second-hand Bookstore. Her deduction methods and skills are impressive as she derives her reasoning from her knowledge and experience of going through, probably every book in the world. It's a mystery series but instead of a gruesome murder, each chapter fills you with warmth and endearment as she slowly uncovers beautiful and twisted secret people have kept locked and hidden through the soft worn pages of that person's favourite book. There are not many thrilling mysteries or much of suspense either. The mystery plot is not exactly what wesay 'Kindaichi like' ...
It is a quiet, slow and sweet slice of life manga, mostly about human relationships and how books can somehow bring people together. Some nice and unique stories about the mysteries of human relationships of people who visit the second hand book store, revealed through the pages of books..