The Chameleon Soul Mate — Evelyn Lederman

While hiking, Alexandra Mann is powerless to stop the force that pulls her into a foreign land. Alex must rely on her quick-wits in an effort to deal with the strange new world. Fear of rejection taught her the art of blending into the background, a skill that will help keep her alive.
Engaged in a battle with a government determined to suppress its people, Tarsea Childers' life is suddenly turned upside down. The shocking arrival of an unusual woman captivates him body and soul, and makes him fear what the future holds. The electric, life-changing bond between them will have far reaching consequences for him and his world.
Can Alex step out of the shadows and finally shine? Will Tarsea overcome his need to control everything, and accept Alex as his partner in life and in his fight against the government?
Plunge into an alternate universe where soul mates aren't just legend.

Here is more about 'The Chameleon Soul Mate'
When life hands you lemons, mix them with vodka and drink up! That's Alexandra's approach. And growing up an orphan, she'd received more than her share of lemons.
Alex grew up not realizing she was an orphaned daughter of dissidents from a parallel world. Nor does she know her parents had telepathic abilities she inherited, but was never taught to use. That all changes when she follows a cute guy while hiking in Sedona, Arizona; inadvertently getting caught in an event horizon to another dimension.
Suddenly Alex comes face to face with secrets about her past, present, and future. On the other side of the portal stands Tarsea Childers, a man who claims to be her soul mate. Although she is immediately attracted to the man, Alex does not believe the nonsense he is is telling her.
What is clear, the leader of the Troyk universe is looking for Alex, as well as other children of the ill-fated rebels. Tarsea and his friends shield Alex's true identify from the head of the mind control telepathic government. Over time, Alex becomes an agent for change, using her ability to blend in as a true chameleon.
This fantasy suspends story will leave you on the edge of your seat. Blending paranormal romance and science fiction, resulting in a tale that will leave you laughing one minute and ready to join the fight the next.

'The Chameleon Soul Mate' is the first book in the Worlds Apart series. It does contain adult content.