Case Closed #1: Mystery in the Mansion


Pick-your-own-path and puzzle-packed mystery collide in the first book in Lauren Magaziner’s hilarious and high-stakes four-book middle grade series in which the reader must help Carlos and his friends put together the clues to save his mom’s detective agency.

In this wildly entertaining and interactive adventure, YOU pick which suspects to interview, which questions to ask, and which clues to follow. You pick the path—you crack the case!

Carlos Serrano has never solved a mystery in his life. But when Carlos’s mom gets sick with a flu on the morning of an investigation that could save her failing detective agency, Carlos takes on the case.

With the help of his best friend, Eliza, and her wild little brother, Frank, Carlos must uncover a mystery involving an eccentric local millionaire, anonymous death threats, and a buried treasure. But with tricky riddles, cagey suspects, hidden secrets, and dozens of impossible choices, they need your help!

Can you help Carlos and his friends find the culprit and save Las Pistas Detective Agency? Or will it be case closed?

Middle grade readers will enjoy all four books in this favorite series: Mystery in the Mansion (#1), Stolen from the Studio (#2), Haunting at the Hotel (#3), and Danger on the Dig (#4)!



Page Count

396 pages

Publication Date

14 August 2018

Customer Reviews

1-5 of 3 reviews

  • @ImaginELLA

    The readers in control… so get ready to solve the mystery..!
    Case Closed #1 Mystery in the Mansion is the first in a series of choose your own adventure mystery books where the reader picks his/hers own path to crack the case.Carlos Serrano has no idea how to solve a mystery, so with the help of his friend Eliza & her little brother they set out to solve a case for his mother’s detective agency as she is unwell and her partner is busy with his own case. The agency is failing, money is short and solving this case is the last resort to preserve the family’s belongings. They head off to the mansion of an eccentric local millionaire who has been receiving death threats. There are many suspects and also the talk of a treasure. The reader is challenged to ask the questions and uncover the answers as there are many choices and different endings. This reading format of choosing your own adventure is a fun twist, offering the reader different options, like whom to interview, what to examine & which clues to follow. An engaging, entertaining & humorous mystery, which is hard to put down. 5⭐️ Read for all ages.

    December 9, 2021
  • Toby

    Your story
    Great idea. Been looking for a chose your story for a while…..

    December 9, 2021
  • EMMA

    Keeps readers captivated
    9yr old daughter couldn’t stop reading it…great way to get reluctant readers captivated.

    December 9, 2021

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