[1] He was founder and first President of the European Second Language Association (EuroSLA),[2] and co-founder of the Oxford University Press journal Writing Systems Research.
[13] He also published papers on second-language teaching and developed Computer-Assisted Language Learning programs for learning English as a foreign language, including adventure games and syntactic parsing programs.
[20] In a paper dated 1997 Cook first argued that knowledge of more than one language can change how people think.
[21] He then provided evidence in the first ever workshop devoted to the topic (workshop on "Bilingual Cognition", 2002, within the European Second Language Association conference) and showcased research from a variety of disciplines and languages in his latest edited volume.
In 2004, he published a book called Accomodating Brocolli in the Cemetary: Or, Why Can't Anybody Spell?, which explains English orthography to layreaders.