His debut book, Angel Meadow: Victorian Britain's Most Savage Slum, published by Pen & Sword, is the first history of Angel Meadow, the 19th century Manchester slum so vile and dangerous that it was described by Friedrich Engels as "hell upon earth". To find out more about the book, visit www.angelmeadowbook.com. Here, Dean tells how he used British Library newspapers at the British Newspaper Archive to uncover the horrors of Angel Meadow.