Amazon.com description: Product Description: Four brand new stories featuring the investigators of infernal incidents, in one box set. Jago and Litefoot have been busy saving the world, so they haven't noticed the enigmatic Professor Claudius Dark trailing their every move, and manipulating from the shadows. Until now. A trip to the seaside and a night at the theatre hide a darker purpose, and as deadly foes gather Jago, Litefoot, Leela, Ellie and Sergeant Quick must stand together. Because the sands of time are falling -