His work opens with a short sketch of the reign of Edward II, and the wars with Scotland are told with comparative brevity.
Robert is no more than a painstaking chronicler, but his history has special importance because he incorporated in his text original documents and letters, including those of Michael de Northburgh.
Robert of Avesbury's chronicle ("Historia de Mirabilibus Gestis Edwardi III") was published by Thomas Hearne, Oxford, 1720.
It has been re-edited by Sir E. Maunde Thompson, with the chronicle of Adam Murimuth, in the Rolls Series, 1889.
Robert of Avesbury's original manuscript is also one of the few credible eyewitness accounts of the Black Death and the flagellants.