Unlike some other reproductions of classic texts (1) We have not used OCR(Optical Character Recognition), as this leads to bad quality books with introduced typos. (2) In books where there are images such as portraits, maps, sketches etc We have endeavoured to keep the quality of these images, so they represent accurately the original artefact. Although occasionally there may be certain imperfections with these old texts, we feel they deserve to be made available for future generations to enjoy.

Fifteen year old Holly Potter has returned to visit her Uncle David Potter during a family reunion he planned at his home, only to learn that he was recently killed in a train wreck in Florida. Holly is afraid to face her relatives alone so she convinces Judy to pretend to be her redheaded older sister Doris. Judy plans to masquerade as Doris until she and Holly can learn why Holly's relatives are searching Uncle David's house and whether Uncle David is really the person who planned the family reunion. Soon Judy has more to investigate than scheming relatives. Is Uncle David's ghost haunting his house, or is Uncle David still alive? Judy has several thrilling adventures in the Potter home until she learns the answer.

Kay Vincent dances around singing the school song as Girls' Farringdon High burns to the ground. Kay's behavior is appalling to the other girls who are devastated about the loss of their school. Many girls, including Judy, have lost their posters which had already been submitted for an upcoming contest. The fire leads to several unsolved mysteries. Several people suspect Honey of starting the fire out of maliciousness, and while Judy cannot believe the accusations, she admits that she doesn't know Honey that well. Judy vows to exonerate Honey of all blame. The mystery deepens when Judy learns that she is the winner of the poster contest! Judy is mystified, since her poster burned in the school. When Judy sees the winning poster, it is not her poster, but someone else's, with Judy's name on it! Judy must discover who the real artist is, who submitted the poster in her name, and repair a strained friendship.

The one unsolved mystery from Judy's childhood is that of the haunted fountain on the Brandt estate. Judy visited the fountain one time and it told her to make a wish. She never did learn how the fountain spoke.After relating the story to Lois and Lorraine, the three girls visit the Brandt estate to see the fountain. After ignoring a ""No Trespassing"" sign, they are confronted by two men who threaten them. The girls leave but sneak back so they can visit the fountain. Judy finds a diamond in the fountain and wonders how it came to be there. Something is also bothering Lorraine, and it is apparently connected to the mysterious events at the Brandt estate. Judy wants to help Lorraine, but her biggest obstacle is getting proud Lorraine to speak about her problems.

""Don't look for it "" The voice startles Judy and Honey as it seems to come out of nowhere. The girls search the area but cannot discover the source of the voice. The strange voice is the first in a series of events drawing Judy into her latest mystery. Judy takes in Helen Riker and her children Penny and Paul as boarders at her home in Dry Brook Hollow. Penny speaks of a green doll but is scolded by her brother. What Judy does hear leads her to believe that some men stole some type of green doll from Mrs. Riker and that it has something to do with their Uncle Paul Riker. Judy and Horace go with the Rikers to visit Uncle Paul, but he has disappeared, his house has burned to the ground, and his entire collection of jade has been stolen. Judy has quite a mystery to solve. She must find the thieves and Uncle Paul and help Mrs. Riker through a difficult time.

""What do you mean?"" Judy asks her new friend, Clarissa Valentine. ""How could you look in a mirror and not see your reflection?"" When Clarissa insists that this strange thing has happened to her, Judy and the other girls think she is teasing them. But when Clarissa disappears in the middle of a television show, even Judy has to admit something peculiar is going on. The three other girls are angry, because with Clarissa went the twenty dollars they had loaned her. But Judy still believes in Clarissa, though something certainly is very wrong. Judy wishes her FBI husband, Peter Dobbs, would complete his mysterious mission and join her in New York City. She wants him to help her find the young girl, who might be in real danger. What Judy does not know is that Peter himself is in danger. The next time she sees him, he is lying injured in a hospital bed. But by a weird combination of circumstance, what happens to Peter gives Judy her first clue to what might have happened to Clarissa. When Judy, with Peter's help, finally learns what really did happen, she uncovers a mystery far more exciting than she could possibly have imagined.

When Judy and Peter become stranded in an abandoned house during a storm, the last thing they expect is to meet a ghost. The ghost turns out to be a girl named Sally who insists that she is being plagued by ghosts. While Judy and Peter hardly believe the girl, they do like her and want to help her. Judy takes her home, only to have her disappear during a party. Later, Judy and Peter learn that Sally's full name is Sally Vincent, of the crooked Vincent family. Sally is fortunately not like the rest of the family. She is to receive an inheritance in a will but the rest of the family is contesting it. Peter agrees to be Sally's attorney even though fighting against the Vincent family could prove to be dangerous. As the case unfolds in court, Judy makes a shocking discovery that will mean everything to Sally and will thwart the plans of the rest of the Vincent family.