01
READ THE CASE
Meet the people involved and discover what they say happened.
MARA VOSS CASEBOOKS
CAN YOU SOLVE
THE CASE?
Step into a 1930s investigation where the clues, evidence and puzzles are yours to examine.
Everything you need to solve the mystery is hidden in plain sight.
01 / HOW IT WORKS
YOU DO THE
DETECTIVE WORK.
Every Mara Voss case begins with a mystery. From there, it is up to you.
No outside knowledge required. No missing piece of information.
Just the case in front of you, and what you make of it.
02
EXAMINE THE EVIDENCE
Study letters, records, timelines, objects and other pieces of the investigation.
03
SOLVE THE PUZZLES
Crack codes, make connections and uncover information that changes what you know.
04
REACH YOUR VERDICT
Put the pieces together and decide what really happened before you read Inspector Voss's conclusion.
02 / CASEBOOK ONE
THE VANISHING AT MOAT HOUSE
A CASEBOOK PUZZLE MYSTERY
Clara Bellamy has disappeared from her family home. Six days later, Inspector Mara Voss arrives at Moat House to discover what happened. Her family says she left willingly. The clues she left behind say otherwise.
Follow Mara through Moat House as coded messages, hidden records and forgotten documents reveal what Clara was investigating before she disappeared. You will solve each puzzle as Mara finds it; Each answer takes the case somewhere new. And piece by piece, Clara's disappearance begins to tell a very different story.
What was Clara searching for? What did she discover? And why did she disappear before she could reveal it?
EXPLORE THE CASEBOOK
03 / THE INVESTIGATOR
A GOOD ACCOUNT ANSWERS
THE QUESTION ASKED.
THE TRUTH OFTEN
ANSWERS ANOTHER.
My method is uncomplicated: notice what is present, ask what is missing, and distrust any conclusion that arrives before the evidence.
Inspector Mara Voss leads a series of illustrated historical casebooks in which the reader investigates beside her. Her cases reward attention, revision, and a measured suspicion of respectable explanations.
MARA VOSS
04 / A FREE INVESTIGATION
THE LYING
DOOR
Agnes Vale is dead. The room was locked from the inside. There is no obvious way anyone could have entered. There is also no reason every account of that evening should fit quite so neatly.
Examine the room. Read the statements. Solve the puzzles hidden through the evidence. Then decide what happened behind the locked door.
10 connected puzzles. One complete case.
ENTER THE INVESTIGATION