TeleRead. Diesel ebook. There are many available formats for ebooks and each format requires special software and hardware for viewing them. All of the formats discussed on this help site will require a computer to download the ebook file. Publishers or authors of ebooks decide whether they will allow their ebook to be: freely distributed (anyone can read or copy ie: any Diesel free ebook) or encrypted for only one person to read. Livres numériques archives nationales Qc. Free-ebooks.net.