Miss Nancy saw somebody run off with her binoculars. . .Where did the thief go? And will she get her binoculars back?

This sounds like a case for the High-Rise Private Eyes--Case #002, to be exact, The Case of the Climbing Cat

Because no mystery is too mysterious, no puzzle to puzzling, no crime too criminal, no trouble too troubling for ace detectives and very best friends Bunny Brown and Jack Jones.