# ebooks

Improve ebooks experience

## calibre ![GPL 3.0@GitHub/FossHub: https://github.com/kovidgoyal/calibre https://www.fosshub.com/Calibre.html](/files/-LCNPk0UbeWYJd26V7WL) ![](/files/-LCNPjmLp2jOOp1sBmL4) ![](/files/-LCNPjdrjDtnhg469hj5)

### [Official Site](http://calibre-ebook.com/)｜[Download Page](http://calibre-ebook.com/download)

One-stop solution to all your ebook need.

## [Gaaiho PDF Reader](http://pdf.gaaiho.com/index.php) ![](/files/-LCNPjmLp2jOOp1sBmL4) ![](/files/-LCNPjbKRT3vtDHiAwf4)

One of the preferred Adobe replacements

## [kobo](https://www.kobo.com/desktop) ![](/files/-LCNPjmLp2jOOp1sBmL4)

Incredibly ugly but powerful software for ebook management and conversion.

## [NitroPDF](https://www.gonitro.com/pdf-reader) ![](/files/-LCNPjmLp2jOOp1sBmL4)

Amazing PDF reader you'll ever get.

## Sumatra PDF ![GPL 3.0@GitHub: https://github.com/sumatrapdfreader/sumatrapdf](/files/-LCNPk0UbeWYJd26V7WL) ![](/files/-LCNPjmLp2jOOp1sBmL4) ![](/files/-LCNPjdrjDtnhg469hj5)

### [Official Site](http://www.sumatrapdfreader.org/free-pdf-reader.html)｜[Download Page](http://www.sumatrapdfreader.org/download-free-pdf-viewer.html)

PDF, ePub, MOBI, CHM, XPS, DjVu, CBZ, CBR reader.


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://amazing-apps.gitbook.io/windows-apps-that-amaze-us/en/ebooks.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.