These are books that are available in digital form.They can be accessed through computers and other electronic forms.They are mostly referred to as ‘the electronic version of printed books.’ They can be accessed through computers,smartphones,tablets and even laptops,these are known as ‘e-readers’.

E-books became common because they are easy to purchase since you could order online and they’d be sent to you or you could download them unlike print books which you’d order and wait for them to be delivered through mail or having to go out of your way to go and buy them at book shops.
The advantages of buying e-books is that they are easily available from the comfort of your own home.They are also cheaper compared to printed books and they have with a larger selection of titles.
