If you wish to read Blake & Mortimer in chronological order, you must first keep in mind that the Continuation volumes are all Interquels, taking place at various points between Edgar P Jacobs' original stories, and secondly, that they were translated into English by Cinebook in neither publication nor chronological order, but instead in an entirely arbitrary fashion.
The following is a list of albums in in-universe chronological order. Edgar P Jacobs' original albums are in bold.
Chronology
- Plutarch's Staff (1944)
- The Secret of the Swordfish (1946-47)
- The Valley of the Immortals (1947)
- The Last Swordfish (Spring 1948)
- The Mystery of the Great Pyramid (1950/51)
- The Yellow M (Christmas 1953)
- The Septimus Wave (Spring 1954)
- The Call of the Moloch (1954)
- The Francis Blake Affair (June 1954)
- The Strange Encounter (September 1954)
- The Curse of the Thirty Denarii (1954)
- The Oath of the Five Lords (November 1954)
- Atlantis Mystery (1955)
- The Voronov Plot (1956/7)
- The Sarcophagi of the Sixth Continent (1958)
- The Gondwana Shrine (1958)
- SOS Meteors (1958)
- The Testament of William S. (1958)
- The Time Trap (1958)
- Eight Hours In Berlin (June 1963)
- The Affair of the Necklace (1964)
- Professor Sato's Three Formulae (1967)