iBooks , Apple’s official application for reading books in digital format, is updated to version 1.5 and introduces a host of new features and major improvements in stability and performance.

We find, in fact the theme of the evening reading that makes it easier to read books in low light, full-screen layout that allows you to focus without distraction on the words, a better selection of fonts , including athelas, Charter, and Iowan Seravek , and stylish new covers for classic public domain books and a palette annotations redesigned making it easier to choose a color for highlighted text.

iBooks is compatible with iPhone, iPod touch and requires iPhone OS 3.2 or later.