EVERYTHING HAS TO CHANGE. MY LIFE DEPENDS ON IT.

High school senior and amateur physicist Audie Masters isn't simply pursuing science anymore.

Her discovery of parallel universes and time travel have now led to a race for Audie to save her own life before it's too late.

From award-winning author Robin Brande comes the exciting, mind-bending conclusion to the Parallelogram series.

You'll never look at the universe or your own life the same way again.

Final book in the Parallelogram Quartet.

Don't miss the other books in the Parallelogram Quartet:

Into the Parallel

Caught in the Parallel

Seize the Parallel