What's the Name of That Book??? discussion

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Halloween Party
SOLVED: Children's/YA
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SOLVED. YA Thriller: People trapped in a house for a party, turned nightmare [s]
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It's about a group of people at a party in a big house. I think someone's family (parents?) had died in a car crash and the family member left had a car crash recording and was going to burn and kill the people who were responsible for the accident...? Help me if you can, please!!