1 A(n)
is published on the Internet or on a disk, and not
printed on paper.
2 A(n)
is a recording, on a CD or made available on the
Internet, of a book being read aloud.
3 A(n)
is a set of pages that have been fastened together
inside a cover to be read or written in.
Sources
The image1 is a derivative of "Концепция Аудио книги Наушники, кофе и книги" by ekaranday on Envato Elemento
The image 2 is a derivative of OTOTDA Kaby serbogachuk on Envato Elements
The image 3 in a derivation of обрезанный вид женшины читающей электронная книга дома" by LightFieldStudios on
Enoto Bament