O psie, który jeździł koleją

O psie, który jeździł koleją (from Polish: About the dog that traveled by train) is 1967 Polish-language children's book by Roman Pisarski. The book was based on the life of Lampo, a dog that became famous for his rail journeys across Italy in the 1950s and 1960s. It is a school reading in the third-grade classes of primary schools in Poland. It was published in 1967 in Warsaw, Poland by Biuro Wydawnicze Ruch.