ShuBook is a versatile, flexible, convenient, fast and robust ebook reader. Its supported file formats include EPUB, TXT, PDB/uPDB, PDF, DOC, XLS, PPT.[Items marked with * are paid features.]1. Book Import and ExportInside ShuBook a book can be downloaded to the library from a link on a web page, from an entry in an OPDS catalog, from an email attachment, from a cloud server, or from iTunes.Outside ShuBook a book can be transferred to the library via the "Open In" feature of many popular apps such as Safari and Mail. Preset Book Sources: ShuBook provides a list of preset book sites as convenient entry points for users. The current list contains a number of book sites with a total of over 3 million free ebook titles. Custom Book Sources*: Users may also download books from tapping* on their own custom book sources with custom icons:- iTunes*: import with one-tap.- Catalogs (auto)*: auto-discover any calibre OPDS catalog via Bonjour, and download multiple books with one tap.- Catalogs (manual)*: enter any catalog address on LAN or Internet- Web pages*: enter any web page address on LAN or Internet, including Dropbox.- Email attachment* Background Download*: While a book download is in progress, you may read another book, or browse the catalogs. Book Export*: You may export one book at a time via email or iTunes, or export all books to iTunes.2. Library ManagementShuBook is designed for a library holding thousands of books. You may Sort the books by their titles, authors, or by user re-ordering* Group the books by authors optionally*, where the first level shows the list of authors Browse the library with the index bar Search a book by its title or author Preview the description of a book without opening it by simply tapping on its book cover icon Edit* the title and author of any book in the full or search result list3. Book ReadingThe default viewer for all supported formats is like a web browser. However, for EPUB, TXT, PDB/uPDB, the viewer looks and feels more like a book. You may Navigate in multiple ways: tap or swipe to flip page, jump to any page within the chapter, jump to any chapter via the table of contents menu Change layout settings: change book language code, hyphenation, font name, font size, text alignment, paragraph indentation, paragraph spacing, line spacing, and letter spacing for all books or selected books Change look & control: change settings for lock page orientation, night mode, black status bar, color*(background, text, heading), show page number, brightness control, disable sleep, page turn effect, page turn duration, tap & hold duration, tap always forward* (to next page on left or right edge) Full screen reading*: hide status bar, and control margins. Great for reading comics. Manage user fonts*: import via iTunes any compatible TTF font for book reading (iOS3.2 or above) Manage multiple bookmarks per book Perform full text search and keep search history Look up built-in English-English dictionary (iOS5)4. Language-specific SupportShuBook has two prominent features specially designed for books written in East Asian languages, and Chinese in particular. Vertical layout styles*: applicable to books with a language code indicating Chinese, Japanese or Korean with an expected mix of Han characters, hiragana, katakana, and/or hangul. Hanzi conversion*: on-the-fly and accurate one-touch conversion between Simplified Chinese (SC) and Traditional Chinese (TC) text.-------- PDB/uPDB is for haodoo.net version only.* Unlocking these features and removing ads require in-app purchase of Package A, which costs much less than a paperback book.[App Store, ]