Interfinity by Bryan Davis

Book 2 of Time Echoes Trilogy

Summary:

Interfinity is imminent. The coming metaphysical collision of Earth and its two copies means doom for billions. Climates on Earths Red and Blue are replaced by rapidly shifting weather events on Earth Yellow. Earth Yellow dwellers see the future in their nightmares--visions of tragic events that have already occurred on the other Earths. These bizarre manifestations spread fear and chaos in all three worlds. While Nathan and his female friends, Kelly and Daryl, try to stop Interfinity, Mictar, a powerful cross-dimensional stalker, fights to control the univers, and Kelly is his first targe. In order for him to succeed, she must die.

Can a trio of teenagers avoid their own deaths and save three earths? 

Opening Lines: 

My gym shoes squeaked on the hospital hallway's sanitized tiles as I strode toward the sixth floor's waiting area. Anxiety tensed every muscle. i had to find my parents. Once mutilated and dead inside matching coffins, now they were alive. I had touched Dad's chain-bound arms through the cross-world mirror and felt his loving strength. I had heard Mom's voice and once again bathed in the majesty of her matchless violin. 

Yet, the beautiful duet we had played at the funeral had once again become a solo.