buono compares new and used prices for 80 books by Clamp across European bookshops. The cheapest new one is X, tome 5 - Clamp at €1.00; the cheapest second-hand copy is Chobits. Vol. 1 at €2.20.
Cheap books UK · Libri usati economici (Italia) · Livres pas chers (France) · Gebrauchte Bücher günstig (Deutschland) · Cheap books Europe
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