Hercule Poirot is a guest at a weekend house party, given at the Cornish cliff top home of the celebrated actor Sir Charles Cartwright. The other visitors include keen amateur detective Mr Satterthwaite and distinguished Harley Street nerve specialist Sir Bartholomew Strange. Death visits the house soon after Poirot's arrival, the victim an elderly...
After the success of his first assignment from the UNICORNE agency, fourteen-year-old Michael Malone is given another unexplained mystery to solve. When UNICORNE detect strange goings-on in a comic book shop, Michael is sent to investigate - a task which is made all the more difficult by allies he can no longer trust, and an enemy he can't actually see .