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0- Magic Tree House《神奇树屋》
一套以一对兄妹穿越时空的冒险为核心的儿童科普文学读物，兼具趣味性与知识性。这套书通过杰克和安妮的奇幻旅程，将历史、地理、科学等知识融入故事，既能激发孩子的阅读兴趣，又能潜移默化地传递常识，是广受全球儿童喜爱的桥梁书代表作。
- Polar Bears Past Bedtime
蓝思值：570L
The Magic Tree House whisks Jack and Annie to the frozen Arctic for their final quest to become Master Librarians. A kind seal hunter lends them warm clothes and two special polar bear masks. Exploring the icy landscape, they meet polar bear cubs and soon find themselves trapped on cracking sea ice. With the mother bear nearby, Jack and Annie put on the masks and draw on newfound courage to copy her movements, sliding to safety. Their Arctic adventure teaches them about survival and bravery, leading them to the answer they need to complete their mission.
神奇树屋将杰克和安妮带到冰天雪地的北极，这是他们冲击 “图书管理员大师” 称号的最后一次冒险。一位友善的海豹猎人不仅借给他们御寒的衣物，还赠予他们一对特别的北极熊面具。兄妹俩在探索冰原时偶遇北极熊幼崽，却不慎与幼崽一同被困在开裂的海冰之上。危急时刻，北极熊妈妈出现，杰克和安妮戴上面具，鼓起勇气模仿她的动作，成功滑向安全地带。这场北极之旅让他们学会了野外生存的智慧与勇气，也让他们找到了完成任务的关键线索。
