PDF is not eBook
Nowadays the eBooks market contributes a ever growing share to publishers revenue. According to the BookStats report 2013, it constitutes about 20% of the whole book market in the US (source: Association of American...
Nowadays the eBooks market contributes a ever growing share to publishers revenue. According to the BookStats report 2013, it constitutes about 20% of the whole book market in the US (source: Association of American...