Beyond the Threshold Series by Linda Lael Miller

Seeking refuge, Elisabeth McCartney returns to her centuries-old family home--never dreaming escape would lie over a threshold, taking her 100 years back into the past. When she found herself unexpectedly in the bedroom of Dr. Jonathan Fortner, the handsome Victorian demanded an explanation from this t-shirt-clad stranger who had no believable one to offer.

In the wrong place at the wrong time. When her cousin dissappeared without a trace, Rue Claridge volunteered to find her. But by retracing Elisabeth's steps, Rue never dreamed she'd wind up in 1892. And she certainly wasn't prepared for Marshal Farley Haynes. He arrested her and threw her in jail, But discovering how dangerous the Old West was, Rue needed his help. Especially when, at any moment, fate can intercede and destiny can be changed by a singel bullet. From the author of There and Now.

Elizabeth McCartney and Rue Claridge are about to find the right men at the wrong time. It all begins when the cousins discover a precious family heirloom that has the secret power to take those who dare to wear it back to another place and time...where they will ultimately need to make a life-altering choice... moreElizabeth McCartney and Rue Claridge are about to find the right men at the wrong time. It all begins when the cousins discover a precious family heirloom that has the secret power to take those who dare to wear it back to another place and time...where they will ultimately need to make a life-altering choice. First Elizabeth meets and falls head over heels for a handsome and charming doctor who's been dead eighty years or so, and then Rue goes in search of her missing cousin, only to come face-to-face with a handsome sheriff who changes her life forever.... less