Staunton compiled some valuable manuals on the game. Bobby Fischer enthusiastically found Staunton 'the most profound opening analyst of all time' (Hooper and Whyld, 391). The Chess Player's Handbook (1847, repr. 1985) long deserved, and still longer retained, the reputation of being the best English treatise on its subject. His Chess: Theory and Practice was left in manuscript at his death, and was edited in 1876 by R. B. Wormald, who succeeded him as editor of the chess column of the Illustrated London News.
Staunton's name was conferred on the set of chess pieces designed by Nathaniel Cook which are recognized as the standard type in the English-speaking world. Add this to his successful invention of the international tournament and his far-seeing ideas about standard laws, and it may well be said: 'Staunton may not have been the greatest player of all time, but he probably left a deeper mark on the game than any other' (Coles, 20).
From 1854 Staunton largely devoted his attention to the study of Shakespeare, of whose works he had been from youth an enthusiastic admirer.
Source: Sidney Lee and Julian Lock and Images Chess.com and British Chess News