The murder in Sunnyside Mansion

The murder of Sunnyside mansion is a interactive fictional story about ten people, who are invited for a mysterious dinnerparty. Before they know it, they are suspects in a murder case and they need to solve it themselves.
This book contains puzzles and clues, which gives the reader the opportunity to be the detective.
You are reading the story from the perspective of the main character, named Nick, but dont worry. You will also read about other scenes and sometimes have a birdseye view as you go.
Can you solve the murder in Sunnyside mansion?