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The e-book is a downloadable book that can be put right onto your e-reader, certain cell-phones and computers. There are websites that sell e-books where you can buy them and load them right onto whatever device you choose. The e-book makes it possible to take reading with you, without the mess of carrying dozens of books around with you.
However, not all book authors are okay with having their books in digital format(格式). The writer of Harry Potter says that her books will never be an e-book, and many just like her feel the same way. However, there are lots of authors who absolutely love the idea and feel it’s the next step to keep books alive.
The e-book can be loaded onto an e-reader which is a mini-device that is slim and compact just like a cell phone. It usually has a touch pad screen and can hold a few hundred books. That ’s perfect news for people who travel on planes or go on holidays and would love to take a collection with them but wouldn’t carry fifty hard covers.
The other great thing about e-readers is that you can read e-books on them quickly and there’s no need for two hands to hold the book and turn the page; it is more convenient for people to read it. Most of them also have a nightlight, so if you want to read at night but don’t want a big light on to wake your partner, the e-reader is ideal. You can also use it on a plane, train or bus when it’s dark.
Websites that sell e-books have their sites looking just like ordinary bookstore websites. There is a list for best sellers and a new release section. There are also e-books on sale and gift certificates available to give to someone who also downloads e-books. They seem to cost the same amount of money as buying a paperback book.

Title	The e-books
________ of e-books	Downloadable books which can be put right onto e-readers, cell phones and computers.
Book authors’ ________ towards e-books	●Some ________ to have their books in digital format ●Others think that the digital format can keep books ________.
_______of e-readers	●Be a slim and small e-readers mini-device. ●Usually have a touch pad screen. ●Be able to ________ a few hundred books. ●Be ________ to carry on tour. ●Enable the person to read e-books quickly ________ holding the book and turning the page. ●Have a nightlight to ________ the person to read at night or in the dark.
Features of e-book websites	●Offer a list of best sellers and newly-released books. ●Offer gift certificates to the people ________ e-books.