You can start reading Tabatha Kiss with any Series.
Some series can be read as stand-alones in any order but I recommend starting a series from the beginning and following the Character Map from there.

The Midwest Alphas

Romantic Suspense in an MMA underworld!
Series with cliffhangers. Must be read in order.

cover-untouched

Untouched, #1

cover-unbroken

Unbroken, #2

cover-undying

Undying, #3