Under which of these pen names has Boris Akunin NOT published work?
Anatoly Brusnikin
Anna Borisova
Akunin-Chkhartishvili
Ivan Grozny
Answer
The answer is Ivan Grozny (Ivan the Terrible), which is not one of Boris Akunin's pen names. Akunin is a prolific Russian writer best known for the Erast Fandorin historical detective series, which he has published under the pen names Anna Borisova and Anatoly Brusnikin, among others.
The Boris Akunin Quiz: A Journey into Russian Mystery and Intrigue