what is an e-book

1. formats

1.1. adobe pdf

1.2. epub

1.3. .htm, .html

1.4. .azw

1.5. .mobi

1.6. .lit

1.7. .exe

1.8. .txt

2. user devices

2.1. readers

2.1.1. kindle

2.1.2. iPad

2.1.3. sony

2.1.4. nook

2.1.5. kobo

2.2. computers

2.3. smart phones

3. definition

3.1. the electric counterpart of a printed book

4. access

4.1. library resources page

4.2. library database page

4.3. opac

4.4. sometimes downloadable

4.5. New node