As the sun shone and flowers bloomed, secrets were sown at a botanical garden leading to a family day going murderously wrong . . .
The case has baffled even the best detectives for years, but now Ava and Luke are following the clues through this maze of a mystery to get to the truth. With letters, diaries, voice recordings and top-secret reports to guide them, can they dig beneath the surface and catch a killer?
YOU know the facts. YOU have all the clues. Can YOU solve the mystery before they do?
Have you read Luke and Ava's other mysteries?
A BOX FULL OF MURDERS
A BOX FULL OF MURDERS: DEATH AT THE MUSEUM