Lambertus+

Features Lambertus+

With Lambertus + you get more and more books in the Lambert-publishing the ebook as a free app for the printed book it.
All you need is stored in the printed book unlock code.With the electronic table of contents and the "intelligent" and fast search you research problems in larger publications.Add the ebook commented Bookmarks and attach your own notes in the form of texts, images, pictures and audio comments to text anywhere.