Showing results by author "Kristin O'Donnell" in All Categories

Eleven-year-old Viviani Fedeler has spent her whole life in the New York Public Library. She knows every room by heart, except the ones her father keeps locked. When Viviani becomes convinced that the library is haunted, new girl Merit Mubarak makes fun of her. So Viviani decides to play a harmless little prank, roping her older brothers and best friend Eva to help out. But what begins as a joke quickly gets out of hand, and soon Viviani and her friends have to solve two big mysteries.

Two detectives must gather information and evidence to solve a crime in an underground bug city. When a young bug gets his moped stolen, his entire baseball team are suspects. Can the detectives use their problem-solving skills and crack the case?

Detectives Sal and Iggy have a new case—find the stolen diamond from the museum! Together, they must find the thief and return the diamond. Who can be the buggy culprit? Was it the security guard firefly? One of the bees at the nearby party? These two reptiles need to use the evidence left at the scene to solve the mystery!

Jonathon Jones and his friends are Interplanetary Private Investigators. Together, they solve every crime under the sun! When a prize show dog is kidnapped from Mercury’s Dog Star Kennel, these young detectives must work together to solve the mystery. Was it the dog’s owner? The trainer? The competition? Follow along and find out!

Lila the cockroach has been robbed! A pan of lasagna she was making for her son has been stolen. Sergeant Salamander and Officer Iguana are on the case! Will they be able to catch the thief?

In this sci-fi mystery story, a gang of crime-fighting kids try to figure out who stole a shipment of iMod devices on the moon. These private investigators visit the megastore chain Star Mart, where they suspect one of the workers on the loading dock is guilty of the crime.

Twelve-year-old Viviani Fedeler, proud resident of the New York Public Library, has her sights set on becoming a star reporter. She’s thrilled when Miss Hutch announces a story contest where the winner gets their essay printed in the New York Times! But then, Viviani gets her first-ever case of writer’s block. As she struggles to find inspiration, the library is hit with a strange mystery involving overdue books, secret messages, and perhaps a spy lurking among the shelves.... Will Viviani be able to crack the code and find the perfect story worthy of a byline?

In this story, four friends who are members of the InterPlanetary Private Investigators solve a mystery that takes place on the planet Venus.

Two reptile detectives, Sergeant Salamander and Officer Iguana, are on the case! Enjoy this trilogy of humorous mystery stories: "The Case of the Missing Birthday Lasagna", "The Case of the Disappearing Diamond", and "The Case of the Stolen Moped".