This is a set of 19 volumes. Individual sales are not possible. Volumes 13, 14, 15, and 16 are unopened (shrink-wrapped). As this is a used item, there may be some yellowing, but there are no issues with reading. Please refrain from purchasing if you are sensitive to this. After a simple cleaning, the books will be disinfected with alcohol and sent in OPP packaging. We will ship within 24 hours of confirmation. Thank you!