2.
The original 10 titles in the series have now sold over 2 million copies, spending 37 consecutive weeks on the Sunday Times bestseller list.
3.
The success puts authors Jason Hazeley and Joel Morris in the company of mega-selling writers such as J.K. Rowling, Steig Larsson, and E.L. James.
4.
How It Works: The Student will be published 25 August, with the other 8 new titles released 20 October.