Mary O'Reilly Books in Order

A dead six-year-old boy asks Mary to find his kidnapped baby brother after a Black Friday shopping trip turns into a nightmare. The holiday setting is bright, but the case quickly turns cold and frightening.

Former Chicago cop Mary O'Reilly survives a near-death experience and comes back able to see ghosts. In Freeport, she investigates a politician's long-ago drowning and uncovers links to missing little girls and a killer who wants every loose end tied up.

Jeannine's ghost has finally remembered how she died, and the clues point back to Bradley's old neighborhood. Mary and Ian move in undercover, hoping to draw a killer into the open.

When an actress is found hanging above a theater stage, Mary is pulled into a case full of performance, ego, and buried grudges. The closer she gets, the more dangerous the backstage drama becomes.

A deadly school fire leaves too many questions behind for Mary to ignore. As she digs into the tragedy, she begins to suspect the disaster may have had a human hand behind it.

A strange curse has been killing law officers in Stephenson County for years, and Mary is terrified Bradley may be next. On Christmas Eve, she races to learn what the dead are trying to warn her about.

As Gary Copper's trial begins, Mary uncovers signs of another murder in his past. What she finds could change the future for Bradley's daughter, Clarissa, and force several people to face ghosts of their own.

Twenty years after Timmy Beck was killed, his ghost is still haunting Lake Le-Aqua-Na. Mary and her friends reopen the case and realize the true murderer may be much closer than anyone expected.

A teenage girl's apparent suicide shocks Freeport, but Mary is not convinced the story is that simple. Grief, lies, and hidden pressure turn the case into one of her darker investigations.

Life should be smoothing out for Mary, but a rough new case proves otherwise. Personal changes and a dangerous mystery send her down one more bumpy road.

This short Christmas story brings Mary O'Reilly into contact with a few unexpected helpers. It is warm, ghostly, and built around the kind of holiday nudge Mary rarely gets to ignore.

A blunt, very naked ghost interrupts Mary's drink and drags her into another strange case. As always, the dead know more than the living, but getting the whole truth is never easy.

Mary takes on a case where old harm has been hidden for far too long. The search for justice forces her to dig into buried truths that still have the power to hurt the living.

An inheritance and a trail of unfinished business give Mary a new mystery to untangle. The case turns on what families choose to treasure, and what they work just as hard to hide.

A fresh investigation pulls Mary into another web of bad choices and worsening danger. The circumstances may look ordinary at first, but the truth behind them is anything but.

Ghosts are nothing new to Mary, but this case brings old fears back to the surface. As the haunting deepens, she has to decide which danger is supernatural and which is all too human.

Hopes for safety and a better future are ripped away in this darker Mary O'Reilly case. Mary has to sort grief from deception before even more lives are damaged.

Ordinary plans are upended by another unsettling mystery in Mary's haunted world. Once again, the dead linger because something important still has not been set right.

Tempers, loyalties, and nerves are all wearing thin when Mary finds herself in another volatile case. The deeper she digs, the more everyone's edges start to fray.

A short Christmas ghost story set in Mary's world. It is gentle, seasonal, and full of the mix of heart and haunt that longtime readers expect from Terri Reid.

Clarissa Alden and Maggie Brennan, lifelong friends with unusual gifts in common, get pulled into a Christmas murder mystery. Their search for the truth could finally clear a man from Mary's past.

What looks obvious at first rarely stays that way for Mary O'Reilly. This case turns on false assumptions, hidden motives, and the cost of expecting the wrong thing.

The past returns wearing a familiar face in this later Mary O'Reilly mystery. Mary has to sort memory from truth before old ties become a present danger.