SOLVED. YA science fiction spaceship, inhabitants think they're in Alexandria, Egypt but they're in a simulator. [s]

[Mai]

This one came up in a Google search but it's not available yet (it goes on sale tomorrow, I think):
The Tomb by S.A. Bodeen
Kiva thought she was growing up in ancient Alexandria. That's what she and all her classmates had been led to believe by their parents. It turns out she was living in virtual reality, in a sleep chamber in deep space, and three years ago, Seth woke up. Now it's her turn to join him.
Together, Kiva and Seth must take an escape shuttle to search for the engine part their home ship needs to keep running. But it's been a long time since the Krakatoa has communicated with any of the other three ships harboring human civilization. Kiva and Seth are not sure what they'll find if and when they finally make contact.

Did you see the book physically at the store? Or was it in the "coming soon" section of their website?