Gladiators were brutal fighters who risked their lives in one of the deadliest sports of all time. They performed to huge crowds in stadiums across the Roman Empire. Find out how these savage spectacles first began, who took part in them and how men were trained to become fighting machines.Series Three titles are for fully confident readers who still need to gain the stamina needed for standard length book, and are 64 pages (4000-5000 words) in length.. They use advanced sentence structure and vocabulary, and have more complex plots with subplots.Series Three books contain one main narrative divided into chapters. Subjects include historical events, biographies and simplified versions of classic stories.