"Keeping Your Finances in Check" is a comprehensive guide that focuses on personal financial planning and management. Written by Hartmut Walz, this book offers valuable insights into the various asset classes and vehicles that are crucial for successful wealth building. It provides detailed explanations of both unfavorable and favorable investment options to help readers make informed decisions. Additionally, it addresses the psychological aspects of investing to avoid common mistakes and reduce fears related to money. Practical implementation aids and strategies, such as the "From Basement to Roof" strategy, support readers in achieving their financial goals. The guide is written in German and is aimed at anyone looking to actively improve their financial situation.