“Trixie Cuidadito!” After a Mexican fortune-teller slips a strange Spanish poem into her purse, Trixie and the Bob-Whites find themselves in the middle of a New York City mystery. Villains and thieves and danger are all foreseen by the fortune-teller, but what do thieves want with Trixie?

When the Bob-Whites arrive on Cobbett's Island for vacation, Trixie finds a mysterious letter that reveals a fortune was hidden many years ago. But the clues in the letter are hard for Trixie to understand. Is this a treasure hunt on land or on sea?

Trixie’s on the trail of a century-old mystery! She’s headed to Williamsburg, Virginia, to find an old plantation house, Rosewood Hall, that was the home to the Sunderland family during the Civil War. Rumor has it that a cursed emerald necklace is buried in a secret passageway there. But after all that time, Rosewood Hall is just a ruin. Is it too late for Trixie to find the missing emeralds?

It's anchors away for Trixie as she travels down the Mississippi River. No, it’s not on the old-fashioned paddle-wheel steamship she always dreamed of, but the trip is still more exciting than she ever imagined. Someone is shadowing her every move, trying to steal to the mysterious graph papers Trixie found in a trash can in her hotel room in Memphis. Why are the papers so important? Could there be more to the childish drawings than meets the eye?

Book by Kenny, Kathryn

The Bob-Whites are preparing for the wedding of Juliana and Hans, and Trixie is not impressed by the arrival of a younger cousin, Hallie. With the appearance and disappearance of a wheelchair, food, furniture, bicycles and Juliana's engagement ring, Trixie finds herself with a mystery on her hands and the unwanted assistance of Hallie. Trixie's temper is sorely tested, and she tries to evaluate her own behavior as she attempts to decipher the strange behavior of her close friends and family.

Trixie and her friends investigate the disappearance of Sleepyside's beloved weather vane.

Somebody is trying to ruin nice Mrs. Elliot's flower business. Does it have something to do with stolen Social Security checks? Trixie is determined to uncover the truth.

The lack of displays for the Art Fair are disappointing. Nick Roberts, club head, tells Trixie and Honey that the club does not have money for more displays. Eager to help, the Bob-Whites get into the idea of a bike-a-thon. Trixie asks for Nick's help; however, Nick disagrees and tries to convince Trixie not to have the event. With or without Nick's help, Trixie proceeds with her plans. Trouble follows, and the bike-a-thon may be canceled. Trixie is determined to investigate to ensure that her plans for the fundraiser are successful.

When the Bob-Whites struggle to find money to pay for their car insurance, Mr Wheeler offers them a job investigating a ski lodge he is considering buying. The teenagers become involved in some strange occurrences at the lodge. Who wants them off Mead's Mountain? What isthe mystery behind the strange white-haired man in the mountain?

Trixie and her friends are stalked by a gray figure through the streets of London and across the English countryside, and questions arise concerning the connection between the stranger and Honey's old necklace.

When Regan, the Wheelers' groom, disappears, Trixie Belden and the Bob-Whites set out in search of him and discover the seamy side of horse racing and the dark shadow in Regan's past

The gang (sans Dan) go on a camping trip with the Belden cousins Hallie, Cap, and Knut. Before you know it, they meet Bigfoot—or do they?

With a headless, ghostly figure on horseback as her enemy, Trixie tries to determine whether the Lynches' missing butler is an innocent victim or the diabolically clever leader of a gang of art-treasure thieves

Bathed in an eerie glow, its masts reaching high through the mist, was a ship... Flying from it stern was a flag that Honey strained to see. Suddenly, she clutched Trixie's arm. "Why," she cried, "the ship is a galleon, and it's flying the skull and crossbones! Oh, Trixie! Where did it come from, and why is it gleaming all over with that funny light? . . ."

Trixie Belden solves the mystery of shark fins in the Hudson River.

Trixie must solve the mystery of the velvet gown

A series of incidents which appear to be the work of a juvenile delinquent become a cause for concern for Trixie Belden and her friends, especially when Trixie's brother becomes a prime suspect.

The citizens of Sleepyside are divided by the proposed expansion of the International Pine Company into the game preserve and two newcomers to town are adding fuel to the fire. One of them is Mr. Maypenny's long lost nephew; the second is a social activist who wants to stop the expansion. The Bob-Whites struggle to maintain a united front and Trixie and Honey investigate some strange incidences in the game preserve and Mr Maypenny's odd behavior. The girls are determined to solve the mystery and restore harmony to their community.

Trixie and Honey make friends with a new girl in town who lives at a mansion that is supposedly haunted by a witch's ghost. After the girls witness some "ghostly" activity, their new friend confesses she believes she is possessed by the witch's ghost. Trixie becomes determined to help the troubled girl and discover the truth about the Whispering Witch.

The Bob-Whites attract attention when they are given a Model T Ford to auction for a hospital rummage sale. When the car breaks down, they are helped by a stranger who is run down by a van before their eyes! Trixie becomes determined to find out who is responsible. But the victim can't even remember his own name! When he disappears and the Model T is vandalized, Trixie is the only one who believes he is innocent. The girl detective vows to find the vanishing victim and solve the mystery.

The wallet Trixie Belden and her friend Honey Wheeler find involves the Bob Whites in another mystery.

Trixie Belden searches for an arsonist after a fire destroys a local store and a warehouse during the annual Memorial Day parade.

Delivering a doll to a mysterious antique dealer leads fourteen-year-old Trixie Belden to investigate a case of counterfeiting.

Trixie suspects someone of trying to sabotage the pet show that she and the Bob-Whites are staging in order to raise money to feed the starving game-birds.

Participating in an archaeological dig on an Indian burial ground, Trixie suspects a greedy, treasure-hunting college student of burglarizing several mansions in the area.

On a vacation trip to a Minnesota horse-breeding ranch Trixie investigates the connection between a stolen racehorse and the sighting of a phantom rider