The Roger Story: From Trenches to Wrenches is the autobiography penned by R0-GR, the B1-series battle droid that was employed by the Freemakers, a family operating as scavengers.
The initial mention of From Trenches to Wrenches: The Roger Story occurred within the pages of Star Wars: Droidography, a reference book from 2018 authored by Marc Sumerak. This memoir was initially conceived for the LEGO Star Wars: The Freemaker Adventures television series, which is not considered canon.