My thoughts after reading: "Extracted" by Ficklin and Jolley

Welcome to the war.The Tesla Institute is a premier academy that trains young time travelers called Rifters. Created by Nicola Tesla, the Institute seeks special individuals who can help preserve the time stream against those who try to alter it.

The Hollows is a rogue band of Rifters who tear through time with little care for the consequences. Armed with their own group of lost teens--their only desire to find Tesla and put an end to his corruption of the time stream.

Torn between them are Lex...