Runaway Ralph is the second in a children's novel trilogy written by Beverly Cleary. First published in 1970, it is the last book by Cleary that Louis Darling illustrated before his death. The book features the titular character, Ralph S. Mouse, a house mouse that can talk to humans, and goes on adventures on his miniature motorcycle. The book was given the Nene Award by the Hawaii Library Association in 1972.

Runaway Ralph is the second in a children's novel trilogy written by Beverly Cleary. First published in 1970, it is the last book by Cleary that Louis Darling illustrated before his death. The book features the titular character, Ralph S. Mouse, a house mouse that can talk to humans, and goes on adventures on his miniature motorcycle. The book was given the Nene Award by the Hawaii Library Association in 1972.