The Weekend Was Murder!

For fans of Gillian Flynn, Caroline Cooney, and R.L. Stine comes The Weekend was Murder! from four-time Edgar Allen Poe Young Adult Mystery Award winner Joan Lowery Nixon.
 
        Mary Elizabeth can't wait for the weekend to begin at the Ridley Hotel, where a famous mystery writer and a troupe of actors are coming to enact a murder mystery for 150 amateur sleuths. Mary Elizabeth's role is to discover the "body" in Room 1927, which is supposed to be haunted. But nothing prepares her for the real body she finds in Room 1927…
 
"A masterfully constructed, engaging read that…[is] ingeniously plotted, fast-paced and lighthearted." –Publishers Weekly
 
"Fans will love wading through the myriad details and placing bets on the outcome." –Kirkus Reviews
 
"Mystery fans will…enjoy trying to solve the various crimes." –School Library Journal