James Cook had always wanted to be a sailor. So when he was asked to lead an expedition to the South Seas, he was ecstatic. It was the first of three major voyages he was to make, battling storms, icebergs and worse. His mission, to map the unknown world. Series Three titles are for fully conident readers who still need to gain the stamina needed for standard length books, and are 64 pages (4000-5000 words) in length. They use advanced sentence structure and vocabulary, and have ore complex plots with subplots.Series Three books contain one main narrative divided into chapters. Subjects include historical events, biographies and simplified and versions of classic stories.