Editing Three Investigators (section)

===Southeast Asia===
In the French, Vietnamese, Thai, Indonesian and Italian version of the series, the books were at one time published with Alfred Hitchcock listed as their author. The same error was made in some German paperback editions published at the beginning of the 1980s.{{citation needed|date=July 2014}}

Similarly, all British Armada paperback editions of the title ''The Mystery of the Moaning Cave'' are credited erroneously to Robert Arthur. Moreover, the British series reversed the order of #42 and #43, meaning that the Armada original series ends with ''Wreckers' Rock''.{{citation needed|date=July 2014}}