The Sentinel Records: The Echo City

(Book One)

Echo City doesn't always behave the way it's supposed to.

Sometimes streets disappear without warning. Sometimes the school bell rings too soon. And sometimes, if you're paying close enough attention, you can feel that something important has been skipped - not broken, just... overlooked.

Most adults don't notice.

Kids do.

In a city where time skips and streets vanish, only those who notice the

echoes can save it.

When Lilly begins to sense patterns ...