Melissa F. Olson

After her twin sister’s brutal murder, former US Army Sergeant Allison “Lex” Luther vowed to protect her niece, Charlie....

Years ago, boundary witch Allison “Lex” Luther made a promise to an alpha werewolf. Now, just when the supernatural community in Colorado is enjoying a period of hard-won peace, the alpha turns up at Lex’s door to call in his marker....

Something wicked is at work in Colorado's supernatural community. Vampires are being paralyzed or killed with poison...a weapon favored by witches....

Months after her battles in Wyoming, Allison "Lex" Luther is still struggling with the aftereffects of the psychic attack she suffered - and with the new developments in her own magic....

Scarlett Bernard is used to cleaning up messes. As a human who cancels out any magic around her, Scarlett's job is to keep the supernatural world hidden - at any cost....

Fitting into the Old World isn't going very well for Boulder boundary witch Allison "Lex" Luther....

In 1816, Elizabeth's life had been carefully planned for her.

The cardinal vampire of Los Angeles convinces Scarlett Bernard to investigate a new vampire-themed stage show....

In Boulder, Allison "Lex" Luther barely gets her niece to safety. In Los Angeles, Scarlett Bernard is nearly shot in the back. It seems that a powerful enemy is unhappy with the Old World leaders' plans to form a government....

As a null, Scarlett Bernard possesses a rare ability to counteract the supernatural by instantly neutralizing spells and magical forces....

Alex McKenna is the new Special Agent in Charge of the Chicago office of the Bureau of Preternatural Investigations - the division tasked with investigating crimes involving shades....

For years now, Scarlett Bernard has counted on two things: her ability to nullify magic, and Shadow, the bargest who guards Scarlett with her life....

Actions have consequences—a lesson Scarlett Bernard is learning the hard way....

Cleaning up crime scenes and juggling supernatural politics is hard enough, but now Scarlett must face changes to every part of her personal and professional lives....

All her life, Sashi’s mother warned her not to get involved with werewolf problems. But Sashi, a witch who uses magic to heal sick and injured bodies, has never made a habit of ignoring trauma....

When LA’s vampires, witches, and werewolves make a mess, they call Scarlett Bernard to clean it up....

From California to Colorado, the Old World is filled with complicated women, volatile creatures, and nulls with attitude. This unmissable collection includes the stories that run in between and alongside the Old World novels....

The Chicago field office of the Bureau of Preternatural Investigation is facing its deadliest challenge, yet - internal investigation! Alex and Lindy are on the hook, and on the run....

Things are finally beginning to settle for the Chicago branch of the BPI, but the brief respite from the horror of the previous few weeks was never destined to last....