AdiumBook 1.5 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. The actual developer of this free Mac application is Aurelio Jargas. AdiumBook for Mac lies within Productivity Tools, more precisely E-book Tools.
From the developer:
A Mac OS X bridge application between Adium IM and Address Book used to search, manage and keep your contacts in sync.
You may want to check out more software for Mac, such as Wondershare MePub, Wondershare PDF to EPUB or PDF ePub DRM Removal, which might be similar to AdiumBook.