eBooks

Access to eBooks in the Polymath Virtual Library. All eBooks (written in Spanish) can be downloaded free. The eBooks can be read on any device, whether a desktop computer, tablet or mobile, or a reader device. For more information.

For more information

E-books are usually in three formats, PDF, well known, EPUB and MOBI. We provide some brief information on them.

PDF Format

This is a format that can be read by majority of the reader devices on sale and with various applications developed for reading e-books on computers, tablets or mobile phones. Applications can be downloaded free on the Internet.

The PDF format presents its content (text and images) with a fixed design that increases or decreases in proportion to the size of the screen. By not redistributing the text and images its reading is uncomfortable on small devices.

These files end with the “.pdf” extension.

Format with EPUB extension

EPUB, the acronym for Electronic Publication is a resizable open source format for eBook files created by the International Digital Publishing Forum (IDPF).

As the text and images are in a resizable format, they adapt to various screen sizes and are redistributed for easier reading.

All the ebooks are offered EPUB format, which is the one that allows you to read books on the majority of the reader devices that exist in the market.

The ePub format can also be read on the computer, on a tablet or mobile using any of the applications developed for reading electronic books. These applications can be found and downloaded easily through a search on any web browser.

These files end with the «.epub» extension.

Format with MOBI extension

MOBIPOCKET is an e-book files format created by Mobipocket SA. The MOBI format is based on Open eBook Specifications. This format is the least used. Few reader devices read it (some only read this format) and some applications can be found and downloaded on the Internet.

The MOBIPOCKET files end with the «.mobi» extension.