A determined attempt to assassinate a visiting African leader causes a Government Minister to call on the services of Adam Adamant.
An oil tanker delivers its load to a country house and the driver gets a shock that turns his hair white.
Jankers Johnson, a wartime comrade of Simms, is mysteriously murdered at their old R.A.F. aerodrome: but before he dies he gets a message to Adam.
Adam gets on the wrong side of the ruler of an oil-rich country.
When a number of inventions are brought on to the market after the death of their inventors Adam Adamant is involved in a sinister plot.
Adam's old foe, The Face, has managed to survive from 1902 to the 60s and is just as determined to end Adam's life once and for all.
When Georgina goes to a party organised by the manufacturers of a new soft drink, she finds the drink is not as innocuous as it appears.
When Simms gets a message from Timothy Henshaw, an old friend from theatre days, both Simms and Adam find themselves mixed up in a curious affair at an old people's home.
The Face's new plans threaten to tear the world to pieces.
The Great Manton is killed while performing the bullet trick. Adam, using his powers of deduction, helps a reluctant policeman to find the murderer.
When a scientist destroys his invention for calming naturally fierce animals and then vanishes, Adam is involved in a sinister encounter with the agents of the Face.
When Simms's mother is charged with disturbing the peace Simms goes to help her and stumbles on to a sordid plot.
When a number of carefully planned robberies take place throughout the country and in such a way as to make it obvious that a master mind Is behind the operation, Adam becomes involved.