buono compares new and used prices for 16 books by Yuu Morikawa across European bookshops. The cheapest new one is Monsieur Méchant va détruire la Terre (après ses congés). Vol. 1 at €6.45; the cheapest second-hand copy is La désastreuse histoire des jumeaux Stevenson at €3.54.
Cheap books UK · Libri usati economici (Italia) · Livres pas chers (France) · Gebrauchte Bücher günstig (Deutschland) · Cheap books Europe
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