Amstel, N.A. van, Reis-Júnior, C.A.B. dos, Oliveira, M.A. de and Sonoda-Nunes, R.J. 2021. Book Review ’What is Sport: a Controversial Essay about why Humans Play Sports’. Lecturas: Educación Física y Deportes. 26, 279 (Aug. 2021), 214-225. DOI:https://doi.org/10.46642/efd.v26i279.2715.