HUB eXtra is the Mondadori Education App that allows you to consult books in liquid format: the text adapts to the size of the screen and your magnification needs.
HUB eXtra is full of customization tools: the selection of favourites, the creation of textual notes, the Text to Speech and the Devoto-Oli for the Italian language: with a simple click it is possible to search for the meaning of each word present in the text .
In the book you can also consult concept maps that allow you to discover relationships and correspondences between the various topics of the program.