Request #402 From A

I think it was a goosebumps book but I can’t ever find it when looking at their list A family moved from a house in California I remember the first night the boy(?) narrator saying ‘this house sound strange, not like our nice new build in cali’ He finds a passage way in the house and lots of things happen but there is a American flag with bullet or cut marks in it and it was the original from a war