Books like Castle of Fear by Priscilla Hagon

Nancy Drew and her friends travel to Scotland to see her great‑grandmother, uncovering a mystery surrounding a missing family heirloom and the clues left by whistling bagpipes.

Nancy Drew investigates whether an ivory elephant charm truly shields its wearer, unraveling a conspiracy involving the Bengleton Wild-Animal Show.

Mickey Bolitar, a young detective, investigates the Abeona Shelter and seeks answers about his father's death.

A brave young mouse and his lady companion explore a deserted castle, unaware that a villainous outlaw is lurking behind them.

When two murders entangle a thief‑artist hacker named Kidd and his partner LuEllen, they uncover a sprawling electronic conspiracy that pits a powerful corporation against U.S. government officials.

"In the new edge-of-your-seat thriller from New York Times-bestselling author Alex Kava, Ryder Creed, his K-9 search-and-rescue dogs, and FBI agent Maggie O'Dell find themselves at the center of a dire and mysterious case. In Chicago, a young man jumps from his thirtieth-story hotel room; along the Missouri river, a hunter and his son stumble upon a lake whose surface is littered with snow geese, all of them dead; and in southern Alabama, Ryder Creed and his search-and-rescue dog Grace find the body of a young woman who went missing in the Conecuh National Forest ... and it appears she filled her pockets with rocks and walked into the river. Before long Ryder Creed and FBI profiler Maggie O'Dell will discover the ominous connection among these mysterious deaths. What they find may be the most prolific killer the United States has ever known"-- "The third novel featuring K9 trainer Ryder Creed, his team of working dogs, and FBI profiler Maggie O'Dell"--

A practical guide that walks writers through every stage of creating and selling a mystery novel, from choosing the sub‑genre to crafting compelling characters, plot twists and dialogue, and finally marketing the finished book.

A quiet family drama turns into a dangerous chase across Paris and Greece as Beryl Tavistock unravels her parents' murders, guiding her through the shadows of international espionage with the help of a seasoned ex‑CIA operative.

Nancy Drew, Bess, and George journey to France to investigate a mysterious 99‑step flight that may hold the key to a friend’s strange dream, while confronting the evil Monsieur Neuf and aiding her father in uncovering a scheme to scare a wealthy financier into selling securities.

In 1910, a young woman seeks a lawyer’s help when her father disappears, only to find the case entangled with a crooked gentleman’s club, a mysterious detective, and a deadly murder.

In the Edwardian era, Tatika Lynch, a half-Russian beauty at a Buckingham Palace ball, evades the unwanted advances of Lord Crowley and seeks refuge in Scotland as a paid companion to the Dowager Duchess of Strathcraig, where a mysterious, alluring Duke draws her in.

A collection of Roald Dahl’s chilling short stories that blend horror, mystery, and gothic elements, tailored for youthful readers.