In Geronimo Stilton #20: Surf's Up, Geronimo!, our favorite mouse journalist is in desperate need of a break. Overworked and stressed from running The Rodent’s Gazette, Geronimo dreams of a peaceful beach vacation. His cousin, Trap, convinces him to book a seaside getaway through a dubious travel agency. However, upon arrival, Geronimo's dream quickly turns into a nightmare. The hotel is dilapidated, the sea is teeming with sharks, and the weather is far from ideal. Instead of unwinding, Geronimo finds himself navigating a series of unexpected challenges, turning his supposed vacation into yet another adventure .