Adding to the age-long discussion between the roles of Nature vs. Nurture in Laterality Research, Krondorf is presenting a bulk of evidence pertaining to technical soccer training of the non-dominant leg in Norwegian soccer players. His balanced view of the literature as well as rigorous study methods make his book worth a read. Including a review of the available research in the field and replicable test protocols, this booklet motivates for follow-up studies in different sportsmen and -women and other countries.