Regan, Dana.

嗯,等我一分鐘 : 時間的秘密 by: Burns, Marilyn (1941-); Slater, Teddy.; 吳梅瑛; Regan, Dana. (Language materials, printed)

嗄,下課變上課? : 運算的秘密 by: Burns, Marilyn (1941-); 蔡青恩; Regan, Dana. (Language materials, printed)