By occasion
The best cheap editions of the classics
The cheapest copies with a reliable text, built to be read hard, written in and carried around.
What decides the pick Lowest price for a reliable text; margins and paper that take a pencil.

Oxford World's Classics
Under $6 for a reliable text, with Christina Lupton's introduction, notes and a chronology.

Scribner paperback
The familiar cover and a reliable text. Built to be read, not kept.
Oxford World's Classics
Under $7 for a carefully edited text with the 1847 punctuation, plus John Bugg's introduction and notes.
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