Books like The case of the mystery cruise by Carol Thompson

On a family cruise, the Alden siblings uncover the mystery behind a ship’s technical problems while enjoying shore excursions and sea adventures.

"Hide and Seek" is a teen‑fiction mystery about sisters and twins navigating high‑school drama, family secrets, and a homicide that turns the family upside down.

Mary‑Kate and Ashley Olsen moonlight as sleuths, racing against time to locate a pair of vanished basset hounds in this fast‑paced detective adventure for young readers.

Four twin detectives solve mysteries in the Smoky Mountains.

Mary‑Kate and Ashley Olsen team up to rescue a kidnapped princess, following the trail left by a mysterious golden slipper.

Twin sisters solve a mystery as they protect their canine friend Clue, who must survive a plot to derail his circus clown career.

Cheerleading twins Mary‑Kate and Ashley are excited for a week at camp, but when Ashley’s favorite pom‑poms vanish before tryouts, the girls must solve a mystery to save her captaincy hopes.

When a Montana ranch is robbed every full moon, the Trenchcoat Twins must recover a missing Native American wolf carving before the next lunar cycle.

"Come and see where the crew lives, eats, wars, and parties with exhaustion and exultation. This is a hilarious and informal narrative of working for Carnival Cruise Lines by an insider. You simply will not believe what really goes on below the waterline. Brian David Bruns worked for a year in the industry and brings back a treasure trove of stories that will simply have you gasping with laughter as you are assaulted non-stop with circumstances ranging from the absurd to the bizarre. Did you know that waiters are required to steal cutlery and even food from each other for their own guests? Can you even imagine what the crew thinks of the passengers? And sex, don't forget the sex. There seems to be an abundance of able and willing bodies eager for nookie in all the cracks and sometimes in places you might find unimaginable. Cruise Confidential is vast repast for those starved for something really, really funny. The wait is over! "

The Bobbsey Twins solve a mystery in Egypt.

A playful mystery unfolds when a big, fuzzy clue appears in the Fun House at Tons of Fun Amusement Park, drawing two sisters into a thrilling investigation.

Lindsay, newly independent and yearning for adventure, embarks on her first cruise, hoping for thrills, romance, and perhaps a summer fling. But unexpected emotions and new friendships challenge her plans.

Wordsmith Jaine Austen teaches aboard a luxury cruise to the Mexican Riviera, only to find herself embroiled in blackmail, eccentric passengers, and a murder that forces her to investigate aboard the ship.