What are the publication dates of Clockwork Princess and City of Heavenly Fire?
Clockwork Princess: March 2013
City of Heavenly Fire: March 2014
These are the publication dates for the English language versions of the books*. I’m sorry I don’t know the publication dates for the books in translation.
(*THESE ARE WORLD ENGLISH RELEASE DATES FOR THE UK/USA/CANADA/IRELAND/NZ/AUSTRALIA/SOUTH AFRICA/ETC)