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.

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)!

UK Delivery:

• Free delivery on all orders of £10 or more.
• £1.49 delivery fee on orders below £10.
• UK orders are shipped via Royal Mail 2nd Class.

International Delivery:

• Flat rate delivery charges vary by country.

Dispatch and Delivery Times:

• All orders are shipped from our warehouse in Northampton, UK within 48 hours of receipt during working hours.
• UK mainland orders typically arrive within 3-5 working days via Royal Mail 2nd Class.
• International estimated delivery times:
• Europe & Channel Islands: 7 to 10 working days
• USA: 7 to 15 working days
• Rest of the World: 9 to 21 working days

View our full delivery infomation here.