Sammy, the adventurous seal, leaves the zoo for the day and ventures into the big, busy city. Along the way he finds a school full of kids and new things to do—and he even learns to read!

• Level 1：簡短的故事內容，適合初級讀者。
• Level 2：充滿趣味的故事，內容鋪陳與語言長度適合中級讀者。
• Level 3：短篇文章，較複雜的敘述，適合學習獨立閱讀的中高級讀者。