Zeilen­wert and its sub­sidiary Libreka posi­tion them­selves as full-ser­vice providers in the mar­ket for elec­tronic books (e‑books) and have the largest range of titles world­wide, with over 3.5 mil­lion titles from more than 60,000 pub­lish­ers. The com­pany con­verts titles for pub­lish­ers into all dig­i­tal for­mats, han­dles dis­tri­b­u­tion to over 2,000 sales chan­nels and stores world­wide, as well as the result­ing billing, and pro­vides busi­ness part­ners with the asso­ci­ated statistics.