[외국도서] Feathered Phonics (Audio CD, Abridged) - The Easy Way to Teach Your Bird To Sing! : Songs and Rhymes, 96 Songs Your Bird Can Hum, Whistle or Sing!
[외국도서] Feathered Phonics (Audio CD, Abridged) - The Easy Way to Teach Your Bird to Speak : Barnyard Fun! : Teach Your Bird to Quack Like a Duck or Crow Like a Rooster!