We often use old books at that time it may tare but using this kind of book laptops these problems are avoided. We can call this book shaped device as laptop!!! The Book/Laptop has CD-Rom drive and a keyboard in which the keyboard can be removed as to access the battery.
The book laptop designed like the usual laptop only switch that turns off the screen light once the book is closed. This will be the future of books each and every important data will not be destroyed.