Is this a good idea for a book?

It would be for my age range (13-17).
A young girls parents divorced when he was 4 and she has been living in 4 houses, she starts noticing subtle changes in her 2 main bedrooms. (At mom and dads) they start small then in about a week they get larger, more changes. It turns out that her family had been lying to her, that she has a twin and they have been switching lives, neither of them knew it.
Sorry! This was typed on an iPhone so I hope I didn't make any mistakes!

Added (1). Yes, I would add more details! This was just the general idea that popped into my head earlier today…

Added (2). I haven't written it yet, but look for my next (hopefully) my next question, I will be posting it on Wattpad once it is done!

Any idea is good

Omg yes but you gotta put a lot more details vit YES I WOULD Totally read it!

Yeah, that sounds good. And pretty much every idea is good, it's just how you show that idea that matters. If the story is online, link it to us Y! A users, we want to see it!

Yes, it is! That is a great idea for a book.

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