Detective Comics #278 (1960)

"Whoa Nelly, have I got a classic for you true believers! Detective Comics #278 (1960) is a real gem that'll have you on edge from the first page to the last. In this issue, Batman and Robin face off against the fiendish Calculator, a crook who uses his mathematical genius to plot his heinous crimes. This calculator ain't no ordinary villain, he's a real menace to society, and he's got Batman and Robin on their toes trying to outsmart him. Will our dynamic duo be able to bring this criminal mastermind to justice, or will the Calculator add them to his list of victims? You'll have to read it to find out, but trust me, it's one adventure you won't want to miss! And if you happen to have a copy of this comic lying around, don't hesitate to contact us. We'll give you a fair appraisal and a good price for it. Excelsior!"