NPR: Silverstein's 'Runny Babbit' Tales 

Six years after Silverstein's death, there's a new CD with some of his best-known poems and songs. And there's a book, Runny Babbit, a collection of previously unpublished poems made up of spoonerisms, where the first parts of words are transposed.
Keywords: shel silverstein, runny babbit, npr, all things considered