In the Labyrinth of Data. Ilona Leyer and Karsten Wesche introduce multivariate methods in ecology in this textbook. The textbook is aimed at all those who work with ecological, landscape, and environmental data in their studies and professions. It is suitable as a companion text for courses and for self-study, providing assistance with data analysis in diploma, doctoral, and research projects. In addition to relevant statistical fundamentals, it covers commonly used ordination methods, classifications, and permutation methods for testing multivariate relationships in ecology. The methods are explained clearly using example datasets while largely avoiding formulas. Therefore, the book offers an ideal entry point into the broad field of multivariate statistics in ecology, enabling readers to meaningfully analyze their own data.