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Mystery still surrounds the two hours that Texan tourist David Willis spent locked in Waterstones in Trafalgar Square.
Though we know that the tweeter was "pleased to be free", we don't know the most important thing - what did he read? Or did he just build a fort?
Willis was in fact only locked in the cavern of wonder for just under two hours, leaving him limited reading options. So with that in mind, here's what we think he should have tucked into:
Read our suggestions, vote in our poll, and tell us what you would have read in the comments below.