It seems you are looking for the PDF of a text titled "Liber Imperium."
If you're looking for a PDF version of "Liber Imperium" or "De Administrando Imperio", there are several online sources where you can find it. Some popular options include: liber imperium pdf
Here are the most likely possibilities for what you might be seeking: It seems you are looking for the PDF
The Concept of Liber Imperium: Unpacking the Latin Phrase and Its Significance and annotated war zones:
The book’s story unfolds through mission briefings, case files, and annotated war zones: