This volume consists mainly of refereed papers and surveys presented at the 1994 Padova Conference `Abelian Groups and Modules', augmented by a few contributions specifically written for this publication. Linking three main areas in algebra, namely Abelian groups, commutative algebra and modules over non-commutative rings, it gives an excellent survey of current trends as well as state-of-the-art results in specific research topics. Subjects covered include: representation theory, Hopf modules, Krull dimension, dualities, finitistic dimension, algebraically compact modules, von Neumann regular rings, serial rings, reflexive algebras, endomorphism rings, Butler groups, torsion-free Abelian groups, and totally projective groups. Audience: Graduate students and researchers in algebra.