Ordre de lecture
1
Secret Ministry
1951
2
This Traitor Death
1952
3
Dead Man Falling
1953
4
Intrigue
1954
5
Height of Day
1955
6
High Requiem
1955
7
Johnny Goes North
1956
8
Johnny Goes East
1957
9
Johnny Goes West
1958
10
Johnny Goes South
1959
11
The Head
1960
12
Undertow
1962
13
Hammerhead / Shockwave
1963
14
Feramontov
1966
15
Timelock
1967
16
Sunburst
1971