This book, titled "Affärs-Juridiska Problem", is the 8th edition and covers key concepts and exercises in business law. It's written by Jan-Olof Andersson, Cege Ekström, Olle Palmgrem and Krister Sundin. This classic Swedish law book is perfect for students and practitioners of business law. The book covers a wide range of topics, including contracts, torts, property law, and corporate law. It is a comprehensive and up-to-date resource for understanding the legal principles that govern business transactions.