Jamie Johnson: Author Dan Freedman of talks about his latest book

Dan Freedman, author of Jamie Johnson talks to Newsround about his new book.

'Unstoppable' tells the story of twins Roxy and Kaine who want to become sporting superstars, but pressures lead them into danger.

Dan speaks to Newsround's Leah about what inspired him to write the book and how he didn't like reading when he was younger.