Terry Pratchett is most well known for his Discworld series, of which there are 41 novels and multiple short stories. However, that isn't to say the series is sequential. In fact, most of the series occurs at different places over similar timelines - fans of his novels have created a timeline of the Discworld.
An additional feature of this disjointed timeline throughout the series is that there are multiple starting points:
A graphic showing the reading order taken from Krzystof K. Kietzman: