Jesse Alexander Series by R.J. Blain

During Starfall, magic flooded the Earth and destroyed most technology while humans developed strange new powers. As the scion of a male-dominated clan, Jesse should have risen to become a hero.She chose to become a woman instead, ruining her hopes for the future. To forget about her life as an assassin, she heads to the dying coasts of Florida. Unfortunately, a chance encounter with a Starfall stone and the Siberian tiger shifter after it thrusts her into the limelight... moreDuring Starfall, magic flooded the Earth and destroyed most technology while humans developed strange new powers. As the scion of a male-dominated clan, Jesse should have risen to become a hero.She chose to become a woman instead, ruining her hopes for the future. To forget about her life as an assassin, she heads to the dying coasts of Florida. Unfortunately, a chance encounter with a Starfall stone and the Siberian tiger shifter after it thrusts her into the limelight. Escaping Nate’s sights is only the beginning of her woes.When two dangerous Starfall stones are stolen, it’s up to Jesse to recover them. Should she fail, she’ll only be the first to succumb to the rogue stones’ powers. less

With the Hope Diamond locked around her throat, Jesse Alexander finds herself in the unfortunate position of being a walking national treasure. With the Starfall stone poised to pulse and flood the world with more of its magic, she must figure out how to remove it before she becomes its pawn yet again. Unfortunately, the stone has a mind—and plans—of its own... moreWith the Hope Diamond locked around her throat, Jesse Alexander finds herself in the unfortunate position of being a walking national treasure. With the Starfall stone poised to pulse and flood the world with more of its magic, she must figure out how to remove it before she becomes its pawn yet again. Unfortunately, the stone has a mind—and plans—of its own. Add in a determined tiger, a wolf out for revenge, and an ultimatum to find her clan's missing Starfall stone, and it will take all of Jesse's wit and cunning to survive with her life—and her heart—intact. less