A no-nonsense detective is on the trail of the sharpest and deadliest criminal mind he has ever encountered: a serial robber who murders any and all witnesses in cold-blood.

Caught behind the lines of Hitler's Final Solution, Saul Laski is one of the multitudes destined to die in the notorious Chelmno extermination camp. Until he rises to meet his fate and finds himself face to face with an evil far older, and far greater, than the Nazis themselves. Compelled by the encounter to survive at all costs, so begins a journey that for Saul will span decades and cross continents, plunging into the darkest corners of 20th century history to reveal a secret society of beings who may often exist behind the world's most horrible and violent events.

At 12, Gideon Crew witnessed his father, a world-class mathematician, accused of treason and gunned down. At 24, summoned to his dying mother's bedside, Gideon learned the truth: His father was framed and deliberately slaughtered. With her last breath, she begged her son to avenge him. Now, with a new purpose in his life, Gideon crafts a one-time mission of vengeance, aimed at the perpetrator of his father's destruction. His plan is meticulous, spectacular, and successful.But from the shadows, someone is watching. A very powerful someone, who is impressed by Gideon's special skills.

Celine Sutherland is dead - her body half-hidden under the Atlantic City Boardwalk - and Damien Dickens, P.I. killed her. Detective Lt. James Holmes found Damien's gun and wallet near the crime scene, and discovered Celine's cash-filled, emerald-studded evening bag hidden in Damien's apartment. Sylvia Sutherland, Celine's older sister and CEO of the family's tobacco empire, insists that Dickens pulled the trigger. And the Sutherlands carry a lot of influence in Atlantic City.

Identified as a person of interest in three cold case murders she didn't commit, retired assassin Leine Basso accepts a temporary position as a security specialist for A-list actor Miles Fournier. Leine finds she has her hands full trying to protect the head-strong celebrity, while at the same time fighting her desire for Detective Santiago Jensen; a game she knows she can't win.

New York Police Lieutenant Danny Pak has a problem. When one of his officers calls him out to an unusual crime scene, Danny realizes that it’s terrifyingly similar to something the department thought was dead and buried. Across town, Agent William “Buddy” Redhorn of the FBI has two problems. He’s been assigned a potentially career-ending case with magical ties, and his sorceress boss is out of town. The case involves a stolen statue that belongs to the government of Brunei, but the more he chases the thieves, the more bodies begin to drop. Bodies affected by an unknown magic.

After tracking down a crazed sniper last year, homicide detective Mike Houston opted to leave Boston for the isolated mountains of Maine. He adjusted nicely to chopping his own firewood, relaxing in his log cabin, and simply enjoying the solitude of the mountains. But then his former partner, Lt. Anne Bouchard, pays him a visit and dangles the words serial killer in front of him. And suddenly he finds himself back in the game beside her - though not "officially".

She's young. She's beautiful. And her corpse, laid out in the office of Boston medical examiner Cat Novak, betrays no secrets - except for a notebook clutched in one stiff hand, seven numbers scrawled inside. When a second victim is discovered, Cat begins to fear that a serial killer is stalking the city streets: a shadowy madman without mercy or apparent motive. The police are sceptical. The mayor won't listen. And Cat's chief suspect is one of the city's most prominent citizens.

Gary Karkofsky is an ordinary guy with an ordinary life living in an extraordinary world. Supervillains, heroes, and monsters are a common part of the world he inhabits. Yet, after the death of his hometown's resident superhero, he gains the amazing gift of the late champion's magical cloak. Deciding he prefers to be rich rather than good, Gary embarks on a career as Merciless: The Supervillain Without Mercy. But is he evil enough to be a villain in America's most crime-ridden city?

Resigned to never finding peace from the war long behind him, retired warrior Thomas Donovan is now faced with an even deadlier conflict, one that could cost him the last of his humanity. Once a member of an elite underground unit, the only wars Thomas knows now are the ones that rage inside him. All he wants is to stay under the radar of existence, trying to forget the past and isolating himself from the present. When extremists kidnap a group of women from a Christian church in Syria, the past and present collide, forcing Donovan to act.

Sam Rockwell came home from the Second World War to work as a fledgling private investigator specializing in helping "Returns": recently deceased ghosts who've come back with unfinished business. Short on experience and long on the imitated swagger of the detectives found in his dog-eared collection of pulp fiction P.I. mysteries, the quick-witted Sam waits for his big break - and his chance to win the heart of Amelia, his Girl Friday. But when his no-nonsense father is murdered and becomes a Return himself, everything changes.

Chemistry grad student Kevin Hamilton is sure his advisor Michael Ward's death in a suspicious fire was no accident. The young PhD candidate received a cryptic message from Ward just before the fatal blaze - a warning that their recent collaboration on a supposedly failed experiment had actually brought about one of the most important discoveries of the century: Adamas, a chemical process worth billions, and one with the potential to topple entire industries.

In 1938, as the Third Reich is just beginning its reign of terror, hundreds of Jewish orphans are hidden away in Austria, in the midst of their underground escape to Palestine. The only man who knows their location is killed, leaving the children with precious little time to survive. The dead man leaves a single set of instructions: Find US Department of War agent Neil Reuter - he will save the children.

Two years ago, Robin Monarch was a top level CIA operative—perhaps the best they had when it came to black bag operations. Then one day, in the middle of an operation, with his team around him in the field, Monarch walked away, leaving his old life and friends behind without a word of explanation. Now this ex-soldier, ex-operative, and orphan with a murky past is a thief, stealing from the super-rich and has surfaced in St. Tropez.

Chicago, 1954. When his father Montrose goes missing, 22-year-old Army veteran Atticus Turner embarks on a road trip to New England to find him, accompanied by his Uncle George—publisher of The Safe Negro Travel Guide—and his childhood friend Letitia. On their journey to the manor of Mr. Braithwhite—heir to the estate that owned one of Atticus’s ancestors—they encounter both mundane terrors of white America and malevolent spirits that seem straight out of the weird tales George devours.