A computer game developer (game de-bugger, AI software creator, code-writer) for Microsoft she was recruited due to her computer-related intellect. Maddy Carter – The team leader, Maddy was saved moments before a terrorist attack on a commercial jet in 2010.In City of Shadows, it is discovered that he is actually a genetically engineered unit similar to Bob and in The Infinity Cage it is revealed that his DNA is based upon Gabriel Waldstein, the deceased son of Roald Waldstein, creator of the first time machine. During TimeRiders: Day of the Predator Liam is revealed as younger version of the team's former leader Foster. Liam also presents an apparent romantic connection to female support unit Becks. Liam shares a close bond with 'Bob' the team's support unit. He was recruited due to his ability to think decisively in tough situations. Liam O'Connor – The team's field agent, Liam was an Irish steward aboard the Titanic in 1912, saved moments before the ship's sinking.Later in the series, the characters move to a second base under the Holborn Viaduct in Victorian London. Each novel revolves around a major change in the historical timeline and the team must work with each other to fix it with the help of their 'support units' – cyborgs who can mimic human behavior. They operate from their field office underneath an archway of the Williamsburg Bridge in New York City in a two-day 'Time Bubble', on September 10 and 11, 2001. The Agency was set up by Roald Waldstein to protect the established set of events throughout history and to fix it if it is tampered with. The novels revolve around three teens who are recruited by an agency known as 'The Agency' just before their deaths. To stop time travel from destroying the world. That's why the TimeRiders exist: to protect us.

Because time travel is here, and there are those who would go back in time and change the past. They are recruited by an agency that no one knows exists, with only one purpose-to fix broken history. Yet moments before death, someone mysteriously appeared and said, 'Take my hand. Sal Vikram should have died in a fire in 2026. Maddy Carter should have died on a plane in 2010. Liam O'Connor should have died at sea in 1912.

Time riders the eternal war