https://openlibrary.org/books/OL1083638M.opds Little blue and little yellow a story for Pippo and other children 2022-11-11T04:47:50Z Leo Lionni https://openlibrary.org/authors/OL272674A/Leo_Lionni Mulberry Books New York, N.Y 1994 1 v. (unpaged) : 1st Mulberry ed. A little blue spot and a little yellow spot are best friends, and when they hug each other they become green. eng https://openlibrary.org/books/OL1083638M https://archive.org/details/littlebluelittle00lion_0 urn:ISBN:0688132855 94007324