buono compares new and used prices for 10 books by Kay Vincent across European bookshops. The cheapest new one is I Spot a Duck at £7.19; the cheapest second-hand copy is Je n'ai pas sommeil ! at €2.23.
Cheap books UK · Libri usati economici (Italia) · Livres pas chers (France) · Gebrauchte Bücher günstig (Deutschland) · Cheap books Europe
Some links here are affiliate links: if you buy, buono may earn a commission. It never changes the price you pay.