buono compares new and used prices for 20 books by Peter Heller across European bookshops. The cheapest new one is Le guide at €3.91; the cheapest second-hand copy is Peindre, pêcher et laisser mourir at €2.99.
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.