Usborne最新出版的Puzzle Adventures 系列，不僅有緊張刺激的冒險故事，還有不同的謎題穿插故事當中，最適合愛動腦筋的小朋友。
全彩色插圖，配合精采緊湊情節，用字程度適中，非常適合可自行閱讀的小學生們，一起破解謎團。
Puzzle Adventures series includes an exciting story with puzzles to solve, specially recommended to those curious and adventurous kids.
When Jade explores her auntie's shed, she finds it packed with historical treasures. But that's just the beginning of her adventures, as she travels back in time to the Middle Ages on the trail of a stolen unicorn. Help Jade and her new friend Jack to solve the puzzles, find the unicorn and save the day.
Paperback / For Ages: 6-10 / 80 pages