English Summary/英文概要： This is the first novel in a series that will have a female heroine, Bree. In this first in the series, Time Travel, we follow the story of a young girl named Bree who is one day gifted a snow globe by her aunt. Each snow globe is of a different part of history and soon Bree learns that she can travel to those periods of time to try to correct history for the better. With the help of her newfound friend, Chad, they must face the most difficult moments in world history all while keeping the time travel technology away from the government’s curious eyes

Chinese Summary/中文概要： 本书是一部系列作品中的第一部，该系列作品将围绕女主人公布丽展开。在这一该系列的首部作品《时空穿梭》中，我们将认识这名名为布丽的年轻小姑娘，某一天，她的姑妈赠送给了她一只雪球仪。每一只雪球仪都代表着历史中的一个时期，很快布丽就发现原来她可以穿梭到这些不同的时期去完善历史。在新认识的朋友查德的帮助下，布丽和他必须面对世界历史上最艰难的时刻，同时两人还要确保来自政府的窥探不发现这一时空穿梭技术的秘密。（DC）

Russell Bernstein is a prolific writer whose middle grade novel including the popular Doodles Lanhorn series as well as other sci-fi novels. Bernstein has a degree from Quinnipiac University; he often lectures on bullying at schools and community centers. He lives with his wife and two daughters in Connecticut.