Led Zeppelin II is an EP.
Led Zeppelin II is the eponymous second studio album by the English rock band Led Zeppelin , released on 22 October 1969 in the United States and on 31 October 1969 in the United Kingdom by Atlantic Records . The album 's production was credited to the band 's lead guitarist and songwriter Jimmy Page , and it also served as Led Zeppelin 's first album to utilise the recording techniques of the engineer Eddie Kramer . It has been described as the band 's heaviest album . Led Zeppelin II was a commercial success , and was the band 's first album to reach number one on charts in the UK and the US . Since its release , various writers and music critics have regularly cited Led Zeppelin II as one of the greatest and most influential rock albums of all time .