Killer Checked In at Midnight

At 12:17 a.m., the lights fail inside the Blackthorn Hotel. Minutes later, a man is found dead in locked Room 913—and the real killer is hiding among 24,000 registered guests.Follow 18 carefully constructed clues, eliminate the innocent, and uncover the one name that matches every piece of evidence. No guessing. No outside knowledge. Everything you need to solve the crime is inside this book.Grab a pencil, enter the case, and test your powers of deduction.Can you identify the murderer before opening the sealed solution?