Study Comfort - ePub reader

Study Comfort™ ("beta" version without limitations) is a high-performance innovative ePub reader for encryption-free e-books, intended to support serious study of school, college and other books by means of its advanced navigation and annotation features. It is also useful to easily browse huge and complex textbooks.
It displays full-layout HTML with large images; works on tablets, phablets, smartphones.

-Keep the place during study when jumping from a place to another in the book by means of 4 automatic bookmarks that follow you and appear on the Table of Content (ToC).
-Scroll the transparent ToC and scroll the book at the same time, for fast information retrieval;
-Annotate the book (upon words or images) with short messages, web links or notes (full documents of any format that automatically open in editor or you can attach from the filesystem; you are not limited to just one document for each note).
-Jump back to previous positions with dedicated button.
-Set bookmarks.
-Show/hide the ToC at your will (it has advanced functions).
-Manage two set of notes and easily switch between them (for example, teachers can provide their students with an alternate set of notes).
-Highlight, underline, overline and strike through text.
-Perform text searches with no regard to punctuation, spaces, quotes and so on, also with special characters and diacritics (e.g. straße=strasse, epistulæ=epistulae, ångström=angstrom).

System requirements: 1Ghz dual-core

ebooks in screenshots are:
"Biology" - © 2013 by Rice University - OpenStax College - licensed under Creative Commons Attribution 3.0 Unported License - Download for free at http://cnx.org/content/col11448/latest
"Le Vrai Régime anti-cancer" - Hachette Antoine - Vincent Gros - licensed under Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0) license - Download for free at https://code.google.com/p/epub-samples/downloads/detail?name=regime-anticancer-arabic-20130327.epub&can=2&q=

Some Study Comfort features or functions may not be working or available with all books, languages, writing systems or fonts.