David Attenborough series on the natural history of the polar regions; Attenborough appeared on screen and authored the final episode, in addition to performing voiceover duties. Attenborough introduced and narrated the Unit's first 4K production "Life Story." For "Planet Earth II" (2016), Attenborough returned as narrator and presenter, with the main theme music composed by Hans Zimmer. In October 2014, the corporation announced a trio of new one-off Attenborough documentaries as part of a raft of new natural history programmes. "Attenborough's Paradise Birds" and "Attenborough's Big Birds" was shown on BBC Two and "Waking Giants", which follows the discovery of giant dinosaur
David Attenborough his nine "Life" documentaries, along with books on tribal art and birds of paradise. His autobiography, "Life on Air", was published in 2002, revised in 2009 and is one of a number of his works which is available as a self-narrated audiobook. Attenborough has also contributed forewords and introductions to many other works, notably those accompanying "Planet Earth", "Frozen Planet", "Africa" and other BBC series he has narrated. In addition, Attenborough has recorded some of his own works in audiobook form, including "Life on Earth", "Zoo Quest for a Dragon", and his autobiography "Life on Air: Memoirs of a Broadcaster".