Amazon has removed a book that provided the code to create a 3D printed gun.

The book, a 584-page tome called The Liberator Code Book: An Exercise in the Freedom of Speech, contained computer code that could reportedly be fed to a 3D printer to create a plastic gun called The Liberator.

“This is a printed copy of step files for the Liberator, and not much else,” author CJ Awelow wrote on Amazon. “Don’t expect a gripping narrative; that’s being played out in the news and the courts,” he added.

Read more by clicking here: Forbes