一本為台灣學生撰寫的海邊青春紀事，特別收錄國高中必學單詞5500。

　　不用刻意背單字文法，只要讀小說，好好享受故事，5500英文詞彙自然學會。



　　口筆是個快滿16歲的台灣男孩，爸媽丟下他和爺爺住在宜蘭海邊。口筆最要好的朋友是一隻叫鞣肉桂龜（以下簡稱肉桂）的烏龜，肉桂教他衝浪和人生。這是口筆和肉桂的故事，他們一起冒險的時光、口筆的初戀，以及一路上他所學到的一切。



　　Kobi is a teenage Taiwanese boy of almost sixteen. He was abandoned by his parents and lives with his grandfather near the beach in Yilan County. Kobis best friend is Ro-Ro Gway-Gway (Ro for short) the turtle. Ro taught him how to surf. This is the story of their adventures together, Kobis first love and the life lessons he learns along the way.