Dear Diary, I'm Dead is a novella written by R. L. Stine. It was first published in 2001 and is the fifth book in The Nightmare Room book series.
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That's Alex Smith rushing past you, hurrying home to check out his journal. Why? Because Alex has never written a word in his journal, but yesterday, a mysterious entry appeared in the book – one that told Alex about the future. Alex can't wait to read the journal tonight to find out if there's anything new inside. Too bad he doesn't realize that by opening that book, he's opening the door to...The Nightmare Room