#1 The Secret of The Swordfish Volume 1: Ruthless Pursuit
Pages: 56
Year: 1986
Format: Softcover
#1 (1984) 
Le secret de l'espadon 1 (54p)
In a past almost, but not entirely, like ours, the world lives in dread of a new power, an empire centred in Tibet and led by a megalomaniac. When the inevitable attack comes, it destroys all opposition, and capital cities across the planet are left burning. But, in Great Britain, Professor Mortimer, inventor of a mysterious weapon named the Swordfish, and his friend and protector Captain Blake, have escaped the destruction, and must make their way to a secret base...
#2 The Secret of The Swordfish Volume 2: Mortimer's Escape
Pages: 48
Year: 1986
Format: Softcover
#2 (1985) Le secret de l'espadon 2 (54p)
leeing the devastation of World War III, Blake, Mortimer and Nasir have been trying to reach a secret base with the blueprints for a new weapon, the Swordfish. But the forces of the Yellow Empire are hot on their trail, and soon Mortimer is captured. While Blake works tirelessly at coordinating the various resistance movements on the planet, the professor is forced to endure captivity, threats and torture from their eternal enemy, Olrik.
#3 The Secret of The Swordfish Volume 3: SX1
Pages: 48
Year: 1986
Format: Softcover
#3 (1986) Le secret de l'espadon 3 (48p)
The captain and the professor have finally made it to the secret base with the Swordfish blueprints, and construction has begun on the extraordinary machines. Olrik hasn't had his last word, though, and he is ready to take tremendous risks to locate the world's last bastion of resistance and freedom. A race against time is on between Imperial forces on one side and Mortimer's teams of engineers on the other... The fate of civilisation is at stake.
#4 The Mystery of the Great Pyramid 1: Manetho's Papyrus
Pages: 56
Year: 1987
Format: Softcover
#4 Le mystère de la grande pyramide 1 (as Manetho's Papyrus) (54p)
Professor Philip Mortimer has decided to spend his holidays in Cairo with his trusty servant, Nasir. There he plans to meet his old friend, Professor Ahmed Rassim Bey, who offers him the fantastic opportunity of satisfying his passion for Egyptology. Professor Bey has invited him to take part in deciphering his latest discoveries-in this case, some papyrus coming from mummies of the Ptolemaic age. Mortimer and Bey soon realize that one of the fragments deals with the "Chamber of Horus," a fabled crypt that could contain priceless treasures..
#5 The Mystery of the Great Pyramid 2: The Chamber of Horus
Pages: 56
Year: 1987
Format: Softcover
#5 Le mystère de la grande pyramide 2 (as The Chamber of Horus) (54p)
Captain Blake having been assassinated at Athens Airport, Olrik seems to have won the first round. A furious Mortimer swears that he'll never stop trying to avenge his friend. He goes on the hunt for Olrik, but information is scarce. Sheik Abdel Razek, an old man with mysterious powers, protects him against Doctor Grossgrabenstein's crew. The doctor is a devoted Egyptologist who has undertaken excavations not far from the Great Pyramid. Strange happenings occur and Mortimer may sometimes feel like he's losing his way in this investigation that will lead him into the darkest depths of the Great Pyramid.
#6 The Yellow 'M'
Pages: 72
Year: 1988
Format: Softcover
#6 (1987) La marque jaune (as The Yellow M) (62p)
London's walls resound with the incredible exploits of the "Yellow Mark." The spectacular actions of this mysterious criminal are on the increase: holding up the Bank of England, robbing the imperial crown... No one seems able to stop him. He is so audacious that he lets the police know in advance where he will commit his crimes, each time ridiculing Scotland Yard a little more. The apparent ease with which he evades police schemes begins to worry the highest authorities of the country. The Home Office asks Captain Francis Blake to solve the mystery and discover the identity of the man who hides behind the Yellow Mark. The captain immediately takes as partner his old friend, Professor Philip Mortimer, whose scientific knowledge will be invaluable in solving this extremely complex enigma. Who hides behind the Yellow Mark?