内容简介：
考古学家在三叠纪的上发现了现代人类的脚印，探险小龙队踏上了寻找真相的时空之旅。他们找到了一部时间机器——死亡钟。同时，被一群穿越时空的神秘士兵包围了，在千钧一发的生死时刻，"小博士"张子默意外地开启了死亡钟。探险小龙队穿越时空，来到了两亿多年前的三叠纪，一场惊心动魄的远古人与恐龙军团的大决战也随即打响。
Availability can change throughout the month based on the library's budget. You can still place a hold on the title, and your hold will be automatically filled as soon as the title is available again.
The OverDrive Read format of this ebook has professional narration that plays while you read in your browser. Learn more here.
Your session has expired. Please sign in again so you can continue to borrow titles and access your Loans, Wish list, and Holds pages.
If you're still having trouble, follow these steps to sign in.
Add a library card to your account to borrow titles, place holds, and add titles to your wish list.
Have a card? Add it now to start borrowing from the collection.
Need a card? Sign up for one using your mobile number.
The library card you previously added can't be used to complete this action. Please add your card again, or add a different card. If you receive an error message, please contact your library for help.