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The Mystery of the Other Girl

Unaware of his true identity, a high school boy does not suspect that someone is trying to kill him.

159 pages, Paperback

Published January 1, 1978

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About the author

Wylly Folk St. John

18 books40 followers
Wylly Folk St. John was a popular and successful author of children's mystery books and an Atlanta journalist whose work was much admired across America in the mid 20th century.

She was born in 1908 in Bamberg County, SC. She loved to read and maintained an interest in reading and writing from an early age; she even published a poem at the age of 9. She grew up in Savannah where her family had moved and was graduated from Savannah High School. She received a A.B. in Journalism at the University of Georgia in 1930.

She was hired for the staff of the Atlanta Journal and Constitution Sunday magazine in 1941 and remained there until 1954 when she joined her husband, an Army officer who was stationed at a hospital in Germany. When they returned home, she resumed working for the newspaper and began freelancing stories.

Redbook magazine published several of her book-length novels, which focused on mysteries but with a wide range of appealing young characters whose adventures were sometimes "torrid," in one coleague's words. When it came to writing children's stories, she said in 1966, "You have to be careful about what expressions might offend parents, teachers and librarians." But she nonetheless took pleasure in surprising her reading with some unexpected words.

Her mystery novels for young readers included "The Ghost Next Door," "Uncle Robert's Secret," "The Secret of the Seven Crows," "The Mystery of the Other Girl," "Christmas Tree Mystery," "The Mystery of the Mystery Book," "The Mystery of the Gingerbread House," "The Secret of Hidden Creek" and "The Secrets of the Pirate Inn," the latter of which was adapted for a television series by Walt Disney. She was named Georgia author of the Year by the Dixie Council of Authors and Journalists in 1968.

She spent the last years of her life in Social Circle in Waltson County with her family, and she died there of cancer in 1985.

~Georgia Center for the Book

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Displaying 1 - 4 of 4 reviews
Profile Image for audrey.
695 reviews75 followers
September 6, 2014
Written in 1971, this book reads today like one of the hip young biker gang movies MST3K makes fun of. The same groovy lingo, the same obsession with boy-girl dating and truly spectacular 70s parenting. Stevie's father refuses to believe her when she says a strange man is stalking her, he jokes about making stew of Stevie's brother's beloved pet catfish, thinks immigrants are here illegally if they're never naturalized, and maintains that no boy has ever been kidnapped and killed in South Florida -- at least, none that could ever be proved, anyway.

Y'all, it's amazing any of us made it out of that decade alive.

Also, this plot is so OY. Bonus points for redface.
1,928 reviews11 followers
September 12, 2015
It's a good, good mystery for young teens. Beginning with a phone call from an unknown girl that ends in a scream, this group of teenagers finds themselves trying to unravel who she is and why she called. Two calls later there is more information and it seems to involve Ian, Stevie's former boyfriend who the caller is trying to warn. "They are going to kill him," she says and Stevie shares her fears with her parents and friends. Of course, the tale become more interesting when Stevie's brother, Lyle, is kidnapped. As the book spins to the end we discover who the girl is and why she believes that Ian is about to be killed.
Profile Image for Anewmoonchild_28.
7 reviews
September 24, 2026
It's a fiction read about a family drama and friends support toward one boy name IAN (John Henderson). This story is about a bloodline war where few people tries to takeover the property inheritance which is gonna be given to IAN who don't even know who's his real parents are and even any of his family is still exists or not. Where comes his ex girlfriend tries to figure out the call, letter and clue's meaning to reach the girl whom she got a warning call from. Later that girl named MORNA ROSS, happened to be IAN's half sister and in the end she revealed the drama about the kidnappers and her relation with that boy.

Meanwhile the story plot suggesting all about the cleaver mind of Lyle and Stephanie. Only with help of these two MORNA actually saved her brother.
Profile Image for C.  (Don't blank click my reviews, comment please!.
1,597 reviews192 followers
March 14, 2015
“The Mystery Of The Other Girl” is a whole other line from a young child’s adventuring; this time, the flavour of dating in the 1970s. Disregard any moaning that its a visibly different era. Of course! These quirks of a family in their time are special treats that augment this novel favourably! They resonate very well. For Pete's sake, 1973 isn’t ancient. The adventure is enormously well thought-out and unusual, with impressively creative code-inventing. These are the thrilling, sensational touches that make us love and remember books and which sparked my passion for reading!

A teenager received an oddly-toned call, seeking a boy she had stopped dating. The call was cut off and Stevie received a peculiarly-phrased letter. Notable attributes of her family are a Father in the F.B.I., who tested the mail for fingerprints and younger brother with a walking pet catfish, who is adept at solving codes. My feedback was reduced a little because creating a reason to code a letter was a stretch, like the girl’s outrageous difficulty leaving her house and using a telephone. But whatever it took for this novel to necessitate code-writing, brought it to greater heights of excitement and originality. I love solving clues!

There is a profound, thrilling background concerning the former boyfriend, Morna, and creeps that posed an unknown threat. All of it escalates when Stevie contrives a natural-looking opportunity for her gang to meet Morna in person. Overlooking some needless anxiety about reactions to a character’s origins from peers; the mystery was perplexing, energetic, and fresh. One correction: while the novel does have a few taut, sinister moments, they don’t match the exotic Aboriginal vibe implied by this cover. Nonetheless, it is even better than the older, juvenile fare I'm used to by Wylly Folk St. John; a clever plotline.
Displaying 1 - 4 of 4 reviews