"Avowals" is Book one in the Tunnel series
Nikki's dad is dying.
The bad news is that a cure for his illness lies in a parallel world. The good news is that before he got sick, Nikki's dad opened the tunnels to these worlds.
Now Nikki, with a good team, is headed in. Anything can happen when you journey into Parallel Words. Step on in. https://www.amazon.com/Tunnels-Book-A...
Tunnels - Book One: Avowals