16 sales pitch at the time of this writing , all books are in the process of conversion to e-book format and will be available for download world wide from smashwords.com in the following formats : -- kindle ( .mobi for kindle devices and kindle apps ) -- epub ( apple ipad/ibooks , nook , sony reader , kobo , and most e-reading apps including stanza , aldiko , adobe digital editions , others ) -- pdf ( good for reading on pc , or for home printing ) -- rtf ( readable on most word processors ) download -- lrf ( use only for older model sony readers that do n't support .epub ) -- palm doc ( pdb ) ( for palm reading devices ) -- plain text ( download ) ( flexible , but lacks much formatting ) -- plain text ( view ) ( viewable as web page ) view retailers : apple - if you have an ipad , iphone or ipod touch , download apple 's free ibookstore app , and then search there .