Blyth T.S., Robertson E.F., Algebra Through Practice: A Collection of Problems in Algebra with Solutions. Book 5. Groups

Cambridge University Press, 1985. — 112 p.Problem-solving is an art central to understanding and ability in mathematics. With this series of books, the authors have provided a selection of worked examples, problems with complete solutions and test papers designed to be used with or instead of standard textbooks on algebra.