How-to open Epub Format file /Book ?

If You're an android User then Go to playstore 

 

Then tap to the search button And type

     [     ReadEra      ]

ReadEra — This book reader application allows reading books for free, offline in PDF, EPUB, WORD (DOC, DOCX, RTF), MOBI, FB2, DJVU, TXT and CHM formats.

Best book manager for your library

Auto-detection of books and documents. For example, just download an Epub book, PDF journal, Word documents or PDF article from the Internet so they appear in the reader for reading. Easy navigation through folders and downloads. Grouping books by authors and series. Book reading lists: To Read, Have Read, Favorites. Sorting by name, file format, the last time read, etc.

The Collections tool (bookshelves) allows creating personal thematic collections. Books and documents can be added to one or several collections at the same time.

We do our best to ensure order in your ebook library.

Navigation through a book

Support for table of contents, bookmarks, history of jumping through pages of a book. Navigate the book using the page pointer or the progress line. Quick access to reading settings, table of contents, bookmarks and other ebook options. Footnote texts in Epub, Mobi, Docx, Fb2 formats are printed at the bottom of the page, as in a paper book. Displays the total number of pages of a book and separately pages of a reading chapter.

Convenient reading settings

Auto-saving the current reading page. Nice color modes while reading books: day, night, sepia, console. Horizontal or 0vertical page flipping mode. Screen orientation, brightness and page margins adjustment, including PDF and DjVu. Adjustable type font, size, boldness, line spacing and hyphenation for Word, Epub, Mobi, Fb2 and txt. Zoom option for PDF file and Djvu file when you read PDF and read Djvu.

Economized memory

The reader doesn’t copy books and documents into its store; detects duplicate files, saves bookmarks and the current reading page, even when files are moved or deleted. For example, even if you delete files and download books again, you’ll be able to continue reading books from the last read page. EBook ReadEra allows storing data on the SD card.

Multi-document mode

The book reader Readera allows reading several books and documents at the same time. For example, you can simultaneously read Epub books and PDF journals by placing them on the device screen in split-screen mode (two windows). Or read Word documents, PDF, Epub and Mobi books, switching between them by the "Active apps" system button.