Books like The house of the swan by Elizabeth Jane Coatsworth

When eccentric millionaire Samuel W. Westing dies, sixteen heirs race through riddles, blizzards, burglaries and bombs to solve his will and claim a mysterious $10 million inheritance.

The Penderwicks follows four sisters, their two rabbit companions, and a curious new boy as they navigate adventures and family bonds during a summer vacation in Massachusetts.

When Sara’s brother Charlie disappears, she must confront unexpected emotions and newfound responsibilities, reshaping her world of smooth routines and family ties.

When Kristy's mother remarries, the Baby‑Sitters Club juggles caring for fourteen children at the wedding, testing friendship, responsibility and the limits of their babysitting skills.

Nancy Springer's second Enola Holmes mystery follows the clever teenage detective as she pursues the disappearance of a left‑handed lady in Victorian London, confronting danger and intrigue along the way.

A summer adventure on Aunt Jane’s ranch leads the Alder children to a hidden mystery involving a stranger once drawn to her.

The Boxcar Children visit Sullivan's Island near Charleston, South Carolina, where they uncover strange clues tied to rumors of a buried pirate treasure.

The Boxcar Children head to summer camp for a week of new friends, thrilling activities, and the annual camp Olympics—only to find everything going wrong as they must uncover the culprit before the games begin.

The Alden siblings and their grandfather investigate a missing ranger at Everglades National Park, and a panther gives them a vital clue.

In "Secret Seven Fireworks" Enid Blyton continues the adventures of the Secret Seven, as they outwit the rival Tiresome Three while investigating a burglary amid festive fireworks.

Amiranth St. Clare is only nine when she first glimpses Tristan Geraint, but she falls instantly and totally in love. Six years later, Tristan, now the Earl of Haverlocke, is ordered by the king to choose a bride. Thanks to nasty rumors alleging that he murdered his older brother, Amarinth is the only noblewoman willing to accept his offer. Her joy dies an hour before their wedding, when she overhears Tristan admitting to his friend that he has no enthusiasm for their marriage. After enduring a nightmarish wedding night and the agony of his continued indifference, she is relieved when he sails off to do battle in France. Once there, Tristan is captured almost immediately. For the next eight years, he languishes in prison, sustained only by dreams of the life he will create with Amiranth upon his return. When he finally does escape, he learns from Amiranth’s identical cousin, Lily, that his wife has died of the plague…or so Lily claims.

In Regency England, twin sisters born to noble parents are separated in infancy. One becomes a ward of a chivalrous earl; the other rises as a street‑smart performer. Their identical looks ignite a dangerous plot of disguise and intrigue.

Two young detectives in Switzerland chase a dog bank robber who is actually a Professor Sardine, a clever sleuth in the style of Professor Challenger.

When a city‑wide tragedy shatters her comfortable life, Mary Swan Middleton learns that true wealth lies in compassion as she joins forces with a humble neighbor to uncover a mysterious truth.

The Bobbsey Twins solve a mystery in Egypt.

Three siblings flee to a distant grandmother’s house to escape foster care, only to discover a cold welcome and a harrowing secret hidden within the family's past.

When cousin Salim vanishes from the London Eye, siblings Ted and Kat team up to unravel the mystery, chasing clues across London while Ted’s unique mind offers the unexpected key to solving the disappearance.

Beatrix Potter’s classic picture book follows young Peter Rabbit as he disobeys his mother's warnings and ventures into Mr. McGregor’s garden, nearly getting caught in the garden’s perilous adventures.

Blinded teenage Laureth and her brother Benjamin travel from London to New York to find their missing father, relying on their father's training to read patterns, clues, and numbers in a dangerous mystery.