Explore the intricate world of hydrodynamics with ‘Topological Methods in Hydrodynamics: 125’ by Springer Nature. This essential second edition, part of the Applied Mathematical Sciences series, offers a unified perspective on topological, group-theoretic, and geometric challenges in ideal hydrodynamics and magneto-hydrodynamics. Originally published in 1998 and updated in 2022, this monograph provides crucial preliminary notions from both fields, enhanced with examples and figures. It serves as a key reference for graduate students and mathematicians in hydrodynamics, Lie groups, dynamical systems, and differential geometry. Discover recent advancements in the flourishing field of topological and geometric hydrodynamics.