Frank and Joe are thrilled to learn that the popular band, Crush, is scheduled to perform in Bayport’s huge Battle of the Bands—and even more excited when they find out that their friend’s brother, Dylan, is the bass guitarist. But on the day of the performance, Dylan’s prized guitar has gone missing! Could someone from a rival band have taken it in hopes of gaining an advantage? Or could the culprit be someone closer to home? It’s...

Vette Smash, one of the hottest new rock bands in Bayport, is playing a gig-- and thanks to their friend Phil's backstage passes, Frank and Joe are in the center of the action!

"When Frank and Joe set out to explore caves and tunnels, they dig themselves into some dark and dangerous trouble in this Hardy Boys adventure. When a sinkhole opens up and swallows one of Bayport's historic statues, Frank and Joe suspect something, or someone, shady at play. They jump at the chance to investigate; Joe as a member of an urban exploration club, and Frank as photographer for the school paper. But in the thick of their search, the boys...