27 Thrilling Mystery Books For 7th Graders (Age 12)

Mystery books offer 7th graders not only entertainment but also an opportunity to develop their critical thinking and problem-solving skills.

In this post, we will explore the 27 Thrilling Mystery Books For 7th Graders.

In fact:

The mystery books mentioned in this post are based on comprehensive research and reviews and are considered some of the best Mystery Books for 7th Graders.

Are You In a Hurry?

If you’re in a hurry, your search is over! We have selected three highly recommended mystery books.

Overview Of The 27 Thrilling Mystery Books For 7th Graders

Let’s begin…

Note: You can purchase these books by clicking on the title link. Please note that the links to purchase these books are affiliate links from Amazon.

The Bungalow Mystery

In “The Bungalow Mystery” by Carolyn Keene, Nancy Drew and her friend Helen find themselves in a dangerous situation when they get caught while boating on Twin Lakes. Fortunately, they are rescued by a teenage girl named Laura. Laura’s mother recently passed away, but something doesn’t seem right about them. Nancy starts investigating and makes a shocking discovery.

When You Reach Me

In “When You Reach Me” by Rebecca Stead, Miranda experiences a fallout with her best friend and begins receiving mysterious notes with a demand. These notes instruct her to write a true story but keep her mission a secret. What makes these messages even more mysterious is that they seem to predict the future. Miranda faces difficulty because the notes warn her that someone’s life is in danger, and she may not have much time to stop this.

The Secret of Red Gate Farm

In “The Secret of Red Gate Farm” by Carolyn Keene, Nancy Drew, along with her friends Bess and George, meets Joanne on a train journey. Joanne and her grandmother face the risk of losing their Farm due to financial difficulties. To help save the farm, Nancy and her friends decide to stay there as paying guests for a week. During their stay, they discover a mysterious group of people. Nancy investigates the group and uncovers the secrets.

A Mickey Bolitar Novel

In “A Mickey Bolitar Novel” by Harlan Coben, Mickey’s life takes a turn when he sees his father’s death and sends his mother to recovery. Forced to live with his uncle and switch schools, Mickey navigates a new environment with friends. He finds comfort with his friend, Ashley, who suddenly disappears. Determined to find Ashley, Mickey begins a dangerous journey that reveals hidden secrets about Ashley.

Return to Howliday Inn

In “Return to Howliday Inn” by James Howe, the family once again leaves their pets at Chateau, known as “Howliday Inn”. Strange things like spooky voices suggest that something mysterious might be happening. They all work together to solve the mysterious happenings.

Nancy’s Mysterious Letter 

In “Nancy’s Mysterious Letter” by Carolyn Keene, Nancy Drew gets a letter for another girl named Nancy. This makes her curious. She starts looking for the missing girl. But, she finds out a dangerous man, wants to stop her. Nancy starts her investigation and finds clues, can she protect the girl and solve this mystery?

Seconds Away

In “Seconds Away” by Harlan Coben, Mickey continues his journey to find the secrets of the Abeona Shelter and the death of his father while facing the challenges of a new high school. But things take a turn when their classmate Rachel is shot, and Mickey, along with his friends gets caught up in a mystery. They must protect themselves from the dangers.

The Hidden Staircase

In “The Hidden Staircase” by Carolyn Keene, Nancy Drew helps her friend Helen at Helen’s family mansion, where strange things are happening. At the same time, a mysterious man tells Nancy and her father about problems with a railroad property case. They need to find a landowner who’s missing. Nancy has to solve these mysteries and figure out who is behind them.


In “Found” by Harlan Coben, Mickey is in high school, and he has many new problems. He helps his friend Ema find her missing boyfriend, even though there might be surprises along the way. As they deal with these challenges, Mickey and his friends get involved in the mysteries. They take risks to find the truth, and it all leads to a big, surprising ending.

Howliday Inn

In “Howliday Inn” by James Howe, the Monroe family leaves their pets, Harold and Chester for their vacation. However, their stay takes a turn when a strange howling disrupts their first night. As the mysterious sounds continue, and animals start to disappear. Harold and Chester find themselves in the midst of a terrifying mystery.

Kid Lawyer

In “Kid Lawyer” by John Grisham, Theo is a young lawyer in the city. With an impressive knowledge of the law, he dreams of becoming a good lawyer. However, his expertise thrusts him into an unexpected position when he becomes a witness in a murder. Theo becomes determined to fight for justice and solve the mystery.

The Screaming Staircase 

In “The Screaming Staircase” by Jonathan Stroud, something bad happens in London. Ghosts appear, and only young people with special abilities can deal with them. Lucy, Anthony, and George start a group to handle these ghosts. They have a tough mission at a spooky place known for its Screaming Staircase and they must use their skills and face their fears to solve this mystery.

The Celery Stalks at Midnight

In “The Celery Stalks at Midnight” by James Howe, the pet rabbit Bunnicula disappears, causing worry in the household. To safeguard their home, Chester, along with Harold and Howie, team together to find the solution. However, Chester’s wild ideas lead to funny misunderstandings in this story.


In “Masterminds” by Gordon Korman, Eli and his friends live in a place called Serenity, and they never go outside of it. But one day, something strange happens when Eli rides his bike to the edge of the town. This makes them curious, so they start looking for answers. As they investigate, they discover surprising clues that connect Serenity to dangers.

The Abduction

In “The Abduction” by John Grisham, Theo, the young lawyer, returns after his success in a murder trial. He continues to offer guidance to friends and teachers. However, Theo’s peaceful life takes a turn when a new mystery emerges in town. As Theo dives into this case, he finds himself facing another mystery that will test his skills and determination.

Insignificant Events in the Life of a Cactus

“In Insignificant Events in the Life of a Cactus” by Dusti Bowling, Aven Green is famous for telling stories about losing her arms. When her parents started working at a theme park in Arizona. Her life changes when she becomes friends with Connor, who also faces challenges. Together, they discover secrets, leading to adventures filled with mystery, friendship, and facing their fear.

Bunnicula Strikes Again!

In “Bunnicula Strikes Again!” by James Howe, strange things are happening in the kitchen again. Chester thinks Bunnicula, the vampire rabbit, is causing it. But Harold worries about Bunnicula’s health. He’s ready to protect his friend. Can Harold save his bunny friend, and join them in this mysterious adventure.

The Activist

In “The Activist” by John Grisham, a young boy named Theo gets involved in a big issue in his town. Some people want to change how things look in the town, but Theo doesn’t agree. As he looks into it more, he finds out that some people are being dishonest. This could be very dangerous for him and he must take a step to solve this issue.

The Whispering Skull

In “The Whispering Skull” by Jonathan Stroud, the friends face new challenges after surviving a terrifying night in England’s most haunted house and now they are in a competition with Fittes agents. But something strange happens, and a ghost appears, causing problems in the team. They need to find it, while also dealing with their rivals.

The Gypsy Game

In “The Gypsy Game” by Zilpha Keatley Snyder, the kids are back, and this time they choose to play the game of Gypsies. But when Toby disappears mysteriously, the kids realize that they must team up to save their friend. They begin a mission to find Toby and help him to get rid of dangers.

The Fugitive

In “The Fugitive” by John Grisham, young Theo meets an old enemy, a murderer who had disappeared after jumping bail. While on a trip to Washington, DC, Theo recognizes him on the Metro and takes quick action. Theo is determined to ensure that a murderer faces justice.

Criminal Destiny

In “Criminal Destiny” by Gordon Korman, Eli, Tori, Amber, and Malik escape Serenity, their hometown. They want to expose the Serenity Bad leaders. They do some illegal things along the way and face dangers. They are determined to find the truth and stop bad leaders from Project Osiris.

The Scandal

In “The Scandal” by John Grisham, young lawyer Theo faces a new challenge. There are students at another school who cheated on their tests. Theo gets involved in this cheating scandal, and he puts his own future at risk. With his sharp skills, Theo must uncover the truth and make the right decisions.


In “Payback” by Gordon Korman, the survivors of Project Osiris, Eli, Tori, Amber, and Malik, are once again on the run due to betrayal. Separated into pairs, they navigate the challenges of the real world. The four friends form partnerships and begin a new adventure across the country. They have to face their own fears and challenges to stop Project Osiris.

The Accomplice

In “The Accomplice” by John Grisham, Theo’s friend Woody is in trouble. When Woody gets arrested for a robbery, Theo believes in his innocence. Theo is determined to do everything possible to help his friend and rescue him from an unfair justice system.

The Hollow Boy

In “The Hollow Boy” by Jonathan Stroud, the friends face a big problem with magical Visitors causing trouble in London. Anthony, George, and Lucy are doing well, but they bring in a new assistant, Holly, who is doing well. They have to deal with new cases involving ghosts in a store. They need to work together to save the day.

The Egypt Game

“The Egypt Game” by Zilpha Keatley Snyder tells the story of Ross and April. They may seem different, but they share a love for ancient Egypt. One day, they find an empty storage yard, and it becomes their special place for the Egypt Game. They invite more friends to play games. At first, it’s just fun, but then strange things start happening. They must team up and discover whether it is a game or a mystery.


We hope that our list of mystery books has given you some great options to choose from and you and your 7th grader will have fun while exploring these mysterious books together.

The mystery books recommended in this list have been thoroughly researched and reviewed, and are considered some of the best Mystery Books For 7th Graders. While I may not have personally read all of these mystery books, they have been highly recommended by other readers.

We would love to hear from you about which mystery book your 7th grader enjoyed the most, or if there is a favorite book that we missed.

Best wishes and happy reading to you and your family!

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