Suits and Sewers: Epiphany Club Book 2

Adventurer Dirk Dynamo is glad to be back in civilisation, with the first two clues to the location of the Great Library of Alexandria. But when ninjas kidnap his best friend and steal a priceless artefact, Dirk is forced to pursue them across London and into the sewers below. Faced with deadly assassins and the strange followers of London's Underlord, can Dirk save Sir Timothy and the tablet before he finds himself on the wrong end of a shuriken?