[:en]Penguin Buddies- Social Skills[:zh]小企鵝系列 [:]

[:en]Double R Kids-Professions[:zh]少年-職業系列[:]

[:en]Double R Boosters[:zh]Double R Boosters[:]

[:en]Double R Phonics-Novice[:zh]Double R 拼讀進階[:]

[:en]Double R Phonics-Foundation[:zh]Double R 拼讀基礎[:]

[:en] Double R Vocabulary[:zh] Double R 詞彙[:]

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