New York Times bestselling author Eliot Schrefer's second installment in the middle grade Animal Rescue Agency series sends your favorite fox and chicken duo on a tropical adventure to save the world's biggest pangolin pop star.After a frigid arctic rescue, Esquire and Mr. Pepper get the perfect opportunity to warm up-an invitation to Beatle the Pangolin's private island concert. Sun and sand await!But when Esquire and Mr. Pepper arrive, the island is in chaos. Field agent Alphonse delivers the bad news: due to an incident during dress rehearsal, Beatle is trapped underground, and foul play is likely. The worst news: There's no way to reach Beatle and there are multiple suspects:Jewel, Beatle's sister and backup dancerArabella, the monkey stage managerButch, a vengeful wildcatFinding the culprit and saving Beatle before it's too late-this might be the Animal Rescue Agency's most challenging case yet!