COBZA¸S, S. 2022. Book reviews" "Boris S. Mordukhovich; Variational Analysis and Applications", Springer Monographs in Mathematics. Springer, Cham, 2018. xix+622 p. ISBN: 978-3-319-92773-2/hbk; 978-3-319-92775-6/ebook. Studia Universitatis Babeș-Bolyai Mathematica. 63, 4 (Nov. 2022), 561–562.