BookLightning 1.7.4 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The actual developer of this software for Mac is metaobject.
The common filename for the program's installer is BookLightning-1.7.2.dmg. 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 most popular version among BookLightning for Mac users is 1.7. BookLightning for Mac lies within Communication Tools, more precisely Social & Blogging. This application's bundle is identified as com.metaobject.BookLightning.
From the developer:
With BookLightning, you can easily create booklets on your printer, just create a PDF document and drop it onto the BookLighting icon. Print the resulting booklet PDF, which BookLightning typically creates in less than a second, fold the pages and staple. Done.
You may want to check out more Mac applications, such as Hibari for Twitter, Blabbelon or FBContacts, which might be related to BookLightning.