How to improve writing (no. 3 in a series)

Today's example, a newspaper headline, reporting on the lack of student attendance at a One Book, One Campus discussion:

One Book draws less than one student

The writer is clearly aiming for comic effect, but what does "less than one" mean? A less awkward headline:

One Book, no students

Too bad that it wasn't possible to write "One Book draws overflow student crowd." That's a headline I'd like to see.

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