The Lorien Legacies Wiki

"'I want you to know, after that, I'm going to track down every copy of your stupid fucking book and burn it.'" -Number Six, United as One

The Great Book of Mogadorian Progress is the book of Mogadorian wisdom and ethics that all of the Mogs must learn and live by. It contains historical battles, proverbs, and laws written by the Beloved Leader, Setrákus Ra. There are only a handful of copies remaining, as the last of the Mogadorians have begun burning them.


Concept art of The Great Book

The Book is described being dictionary-sized, "with an oily, snaky-skin cover. The ink on the cover looks singed, the words indented and rough around the edges, as if it were printed with acid for ink."

On Ella's copy of the Book, the writing is in English and Mogadorian. Each page is split in half, one side written in English and the other in Mogadorian.


All contents of the Book are unknown, but Mogadorians are known to quote it throughout the series. The Book reveals that the Mogadorians believe of Setrákus Ra as a religious figure, and how he allegedly saved the species from extinction by creating Vatborn Mogadorians and creatures. These quotes include: