buono compares new and used prices for 12 books by Ian Ridpath across European bookshops. The cheapest new one is Le grand livre pour observer les étoiles : le tour du ciel en 32 cartes pour apprendre à reconnaître à l'oeil nu les constellations et... ne plus jamais s'ennuyer at €7.79; the cheapest second-hand copy is L'astronomie at €2.49.
Cheap books UK · Libri usati economici (Italia) · Livres pas chers (France) · Gebrauchte Bücher günstig (Deutschland) · Cheap books Europe
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