Gotham Academy Second Semester (2016) #4

Written by Brendan Fletcher. Art by Jonathan Lam. Cover by Mingjue Helen Chen. When a mysterious circus sets up outside Gotham Academy, Detective Club is on the case! Even Headmaster Hammer seems to be keeping secrets about the Carnival Midnight, though, and Olive, Maps and company might find more lurking under the bigtop than they bargained for!