Legend of the Guardians: The Owls of Ga'hoole: Guardians of Ga'hoole, Books One, Two & Three (Audio CD) - Guardians of Ga'hoole Books One, Two, and Three - Guardians of Ga'hoole 시리즈 4
Legend of the Guardians: The Owls of Gahoole: Guardians of Ga'hoole Books One, Two, & Three (MP3 CD) - Guardians of Ga'hoole Books One, Two, and Three - Guardians of Ga'hoole 시리즈 3