Former crime reporter Christi (C.J.) Daugherty began writing her bestselling Night School series while working as a communications consultant for the British government - where she would visit Number 10 regularly. The young adult series was published by Little Brown and went on to sell over a million copies worldwide. A web series inspired by the books clocked up over two million views and won dozens of awards. In 2020, the books were optioned for television. Daugherty is the author of The Echo Killing series, published by St Martin's Press, and co-wrote the fantasy series, The Secret Fire, with French author Carina Rozenfeld. Her books have been translated into 24 languages and have been bestsellers in multiple countries.