The Substitute Collection

After a botched mission in Cuba, professional mercenary Shale and his crew Joey Six, Hollan, Rem, and Wellman head home to Miami, Florida, where Shale is reunited with his fiance Jane Hetzko, who is a history teacher at Columbus High School in Miami. Some of Jane's students happen to be members of a street gang known as the "Kings of Destruction" (KOD), led by Juan Lacas, who has been terrorizing Jane. After Jane's kneecap is broken by a big seminole named Bull, she tells Shale that she believes Lacas ordered the attack, so Shale goes undercover as Jane's substitute, and initially, Jane has no idea that Shale is doing this. At the school, Shale meets principal Claude Rolle, librarian Hannah Dillon, and english and drama teacher Darrell Sherman. It turns out that Lacas is one of Jane's students. As Shale investigates the attack on Jane, he discovers that drugs are being circulated into the school. Shale even investigates local drug kingpin Johnny Glades, who may or may not have someone inside the school distributing the drugs for him. Lives are threatened as Shale investigates and sets out to clean up the crime infested school.

Professional mercenary Karl Thomasson arrives in Brooklyn to attend the funeral of his brother Randall, who was murdered while trying to stop a carjacking that has been blamed on the "Brotherhood", a vicious street gang led by "Little B." Karl, who believes there is something more to it, goes undercover as Randall's replacement at Lenthrop High School in Brooklyn, where Randall was a history teacher, so Karl can investigate the Brotherhood. Karl becomes the protector of Randall's daughter Anya when their lives are threatened by whoever is behind the recent string of carjackings, and the plot behind the carjackings runs a lot deeper than the Brotherhood, and the threat is a lot closer to Karl and Anya than they dare to think.

Professional mercenary Karl Thomasson, his friend Macy, and an albanian girl are being held in a brutal Kosovo prison where Macy is severely beaten. Just before he dies, Macy gives Karl a medal to give to Macy's daughter Nicole Stewart, who is a professor of english at Eastern Atlantic University on Long Island in New York. Karl and the Albanian girl then escape, and Karl kills their two captors. Three months later, Karl shows up at the university and visits Nicole, who is reluctant to accept Macy's medal because due to his military obligations, Macy was out of Nicole's life more than he was in it. Soon after Karl visits Nicole, she is brutally beaten up. When Karl hears of this, he has his friends Ed Lincoln and Rahmel help him take over as Nicole's substitute under a false name, then Karl brings another mercenary friend named Andy in on the investigation of the beating so Andy can work with Karl, Ed, and Rahmel. Karl believes it was a member of the football team who did it then he discovers that members of the team have been doing steroids. Karl doesn't completely know what's going on until he and his mercenary friends investigate people such as head coach Bill Braden and Tony Lo Russo, the son of local crime boss Vincent "Vinnie The Brick" Lo Russo. This is when innocent lives are in the most danger. Can Karl and his mercenary crew stop the evil forces behind the steroid plot whoever they are?

A former mercenary joins a military academy as a teacher. He soon discovers a neo-Nazi group, code-named Werewolves, formed among the cadets. He also quickly finds that they have military leadership among the officers at the Academy.