Air Of Mystery by Ellen Dugan

You first met the Golden sisters in the Daughters Of Midnight novels, Now, the Witches On The Hill have their own spin-off series.
Four sisters each aligned to one of the natural elements, and four enchanting tales of love.

Skye Golden is the last single Witch standing in her family. Her sisters are all paired off and blissfully in love, leaving her the odd one out, but Skye is staying busy with her successful online paranormal show. Creative, driven and determined, she is pushing the envelope in her haunted house investigations. Marching straight into places that others wouldn’t dare—all in the pursuit of knowledge and truth. And when she finally does meet someone, the fascinating and gorgeous Charlie Smythe, the relationship hits roadblocks before it barely gets the chance to begin. Leaving Skye wondering if she isn’t meant for the same happily ever after outcome that her sisters have found.

Charlie is ex military, and has seen plenty of the world both good and bad. However, witnessing the sort of elemental power that Skye and her sisters can wield has left him a tad unsettled. While Charlie comes to grips with the reality of magick, Skye puts their short relationship behind her. But fate it seems has other plans…as does Charlie.

At last the mystery of the old Victorian on Henry Street is slowly being unraveled, but Skye will face real danger uncovering some of the darkest secrets in her community in her quest for knowledge. What could possibly go wrong when a hard-headed Witch with a penchant for getting into paranormal trouble falls for a warrior who only wants to keep her safe?