- Title: Amadeus's Cipher, Volume 1 - Author: Takeshi Iseya - Title: Amadeus's Cipher, Volume 2 - Total copies sold: Exceeding 250,000 - ISBN: 978-4-299-04987-2 - ISBN: 978-4-299-04985-8 Thank you for viewing. I read it once and have kept it at home. I think the condition is almost the same as when I bought it.