His and Will Reader's book Evolutionary Psychology: An Introduction, has been published through the UK, US, Canada, Australia and Europe including a French Edition.
Research includes his finding that British robins have regional dialects, a number of research articles on Seasonal Affective Disorder and various works on the cerebral lateralisation of emotion.
He is consultant editor for the journal 'Animal Behaviour' and is on the editorial board for 'The Psychologist'.
Workman, L. and Reader, W. (2004) Evolutionary Psychology: An Introduction. Cambridge University Press.