Bad Export for You: The US editions of the later books were shortened, in some cases removing vital paragraphs... and giving the wrong pages to logic puzzle answers.
Screwed by the Publisher: The reason only 28 books of a planned 32 were published, and the 28th remained incomplete. However...
Uncancelled: The series is currently being reprinted in revised editions by the British games publisher Mongoose, and there are plans for it to include all 32 books.
Or if you can't wait, head to the aforementioned Project Aon.
And as mentioned above, the later books were shortened in the US for no apparent reason. Project Aon features the full UK versions.
