Thus, why repeating what everybody knows?
Those few blissfully ignorant are requested to immediately enter the nearest bookshop and order the master’s piece. After reading they may return and breathe the magically charming cantrip of
End of the beforegoing.
And now to cut a long post short:
About seventy years after being asked, one of the last most brainteasing and riddling conundrums of all mysteriously puzzling enigmas in literature has been solved:
The ominous bicycle has been found.