Adam and Daisy, a billionaire's children, are kidnapped along with Leo, the son of one of their staff. The three kids must work together to escape their brutal captors - but soon Adam starts to wonder if Leo isn't what he seems. Is the kidnapping an inside job? Highly readable, exciting books that take the struggle out of reading, Wired Up encourages and supports reading practice by providing gripping, age-appropriate stories for struggling and reluctant readers, or those with English as an additional language, aged 11 , at a manageable length (80 pages) and reading level (9 ). Produced in association with reading experts at CatchUp, a charity which aims to address underachievement caused by literacy and numeracy difficulties. .