A memoir detailing the macabre accounts of a 1997 juvenile serial killer is stirring controversy, but not only for its stomach-turning subject matter.
"Zekka," which was published without relatives of the victims being notified in advance, has climbed up the best-seller list.
Seito Sakakibara, who is now 32 and whose real name has not been revealed, killed two children and wounded three others in 1997 in Suma Ward, Kobe, when he was 14.