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Suggested Mystery Books for Fourth Grade


Put on your detective cap and get sleuthing with one of these mystery stories.  Books are suggested for Fourth Grade, but remember that each reader is different and might find something interesting at another level.

Alexander's army by Chris D'Lacey

Michael Malone is assigned to investigate a local comic shop by the mysterious UNICORNE agency because they are displaying a comic book with a disturbingly familiar heroine.  He soon realizes that the sinister shop hides an invisible army come to life, with a menacing maniac at its head.  And worse, he does not know if he can trust his fellow agents.

The fairy-tale detectives by Michael Buckley
Also available in: e-book | audiobook | e-audiobook

Orphans Sabrina and Daphne Grimm are sent to live with an eccentric grandmother that they have always believed to be dead.

Last panda standing by Jarrett Krosoczka

When Detective Rick Zengo is assigned to protect a Kalamazoo City mayoral candidate, he struggles to investigate mysterious threats without the help of his partner, O'Malley, who has been assigned to work with rookie Jo Cooper.

Lost at Khe Sanh by Steve Watkins

When Anderson discovers a grenade in a trunk full of old military memorabilia, the ghost of a Vietnam War soldier appears and claims the grenade belongs to him.

The mystery of UFOs by Judith Herbst

Discover the stories of a number of famous UFO sightings, including the purported crash of an alien spaceship in Roswell, New Mexico, in 1947.

The 100-year-old secret by Tracy Barrett
Also available in: audiobook | e-audiobook

Xena and Xander Holmes, an American brother and sister living in London for a year, discover that Sherlock Holmes was their great-great-great grandfather when they are inducted into the Society for the Preservation of Famous Detectives and given his unsolved casebook, from which they attempt to solve the case of a famous missing painting.

The pearl earring by Suzanne Weyn

After Lily visits the Haunted Museum and is captivated by a series of portraits, she begins having vivid nightmares, which only worsen when Daniella, the owner of the paintings, asks her to pose for a new portrait.

The secret of the key by Marianne Malone

In the Art Institute of Chicago's miniature Thorne Rooms, the Thorne Rooms key and a mysterious set of rings lead Ruthie and Jack to new historical eras and a woman who went missing as a young girl.

Hermux Tantamoq, an average mouse who works in his watch shop by day and spends evenings at home with his pet ladybug, has his un-extraordinary life take a change for the strange whne Linka Perflinger, daredevil aviatrix, drops off her watch to be repaired. When a shady-looking rat tries to claim Linka's repaired watch Hermux becomes entangled with an eccentric cosmetics tycoon, a sinister plastic surgeon, and a squad of ruthless rats.

The Westing game by Ellen Raskin

The mysterious death of an eccentric millionaire brings together an unlikely assortment of heirs who must uncover the circumstances of his death before they can claim their inheritance.