eBookGuard 4.0 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. The actual developer of the software is ZapperSoftware.com. The most popular versions of the eBookGuard 4.0 and 3.1. Commonly, this program's installer has the following filenames: ZSEBGD.exe and ZSEBGDK.exe etc. The program is included in Office Tools.
From the developer:
This program is for authors users who want to protect documents from copyright infringement. This eBookGuard Publisher, Editor and eBookGuard Reader allows authors to create eBooks and sell eBooks online. This is a complete turnkey solution. A low cost, high quality eBook creator.
You may want to check out more software, such as eXcelatorCTR or Twiddlebit Pocket Plan, which might be related to eBookGuard.