
Part of Series
Natacha invite Walter à l’accompagner en vacances. Elle doit se rendre en Turquie pour aider son ami archéologue dans des fouilles locales qui doivent permettre de retrouver la tombe de l’apôtre Saint Mathias, surnommé le treizième apôtre, et qui se trouve aujourd’hui sous la Méditerranée au large de la côte turque. Cependant, certaines personnes semblent vouloir leur mettre des bâtons dans les roues, allant même jusqu’à provoquer des accidents qui pourraient être mortels, bien avant que l’expédition n’arrive à Istanbul. Une fois sur place, les plongées commencent dans la zone de recherche où se trouve échoué un sous-marin allemand coulé pendant la dernière guerre, et sont perturbées par des incidents provoqués par une équipe concurrente qui recherche les reliques dans un but purement commercial. Mais, même après avoir fait arrêter les truands, les recherches de la tombe s’avèrent totalement infructueuses…
Authors

Maurice Tillieux (7 August 1921 – 2 February 1978) was a Belgian writer and comic artist. He is regarded by many as a major figure of post-war Belgian comics. Maurice Tillieux was born in Huy in 1921. At first he studied for the merchant navy, but his career prospects were sunk following the German invasion of Belgium in 1940. He claims that while waiting at Bordeaux for a ship that was to take him and his fellow students to South America, a Stuka dive-bomber attacked another ship, forcing Tillieux's to turn round and Tillieux to go home. He turned to writing and his first novel Le navire qui tue ses capitaines (The Ship that Kills its Captains) was published in 1943. Many of his stories would be set at sea or in the docks where his early ambitions may have developed. Two other novels are supposed to have been written at this time, but there seems to be some confusion as to whether or not they were actually published. Tillieux had already done some work as an artist. He contributed to various weekly and monthly comics as artist and writer, often signing his work with a variety of English pseudonyms.


