TimeRiders The Pirate Kings Book 7 by Alex Scarrow

Liam OConnor should have died at sea in 1912. Maddy Carter should have died on a plane in 2010. Sal Vikram should have died in a fire in 2026. But all three have been given a second chance to work for an agency that no one knows exists. Its purpose to prevent time travel destroying history... Paperback softback