The Portal Effect: Book 10 of the Evaran Chronicles

The past can be the future.Dr. Albert Snowden enjoys traveling through time, but not when Ziekah, a timeline-traveling foe, sends him into the past against his will. Emily and V encounter Ziekah as well, leaving Evaran alone to determine where they were sent. Ziekah's crafty and she knows temporal mechanics well. She's also ruthless, leaving altered timelines in her wake.With the gang scattered through time, Evaran calls on old friends Jake Melkins and Jelton Stallryn, a Rift Guardian. Together, they will need to find the others while dealing with Ziekah and her timeline alterations.