This future history begins with a Nicholas van Rijn series, three stories collected as Trader To The Stars. This series could have been extended indefinitely or at least as long as the later Dominic Flandry series. However, nothing remains the same for long in the Technic History.
The van Rijn series is followed by a David Falkayn series, three stories collected as The Trouble Twisters. Unlike its predecessor, The Trouble Twisters is a fictional biography, following Falkayn's early career as apprentice, journeyman and Master Merchant. Further, the third story becomes a trader team story - Falkayn, Adzel and Chee Lan - and cameos their employer, van Rijn.
The trader team and van Rijn series merge in Satan's World and reach a conclusion in Mirkheim. In fact, time had passed and the trader team had been disbanded but van Rijn reassembles them for a different kind of mission, one that eventually signals the beginning of the end of the Polesotechnic League.
Thus, here is a complete series of series comprising eight instalments in four volumes. However, there are eight more Polesotechnic League instalments set before or between the eight that are in the initial tetralogy. These second eight consist of: