The textbook "Gai Institutiones III 1 - 87" by Duncker & Humblot offers a comprehensive exploration of the topics of economics and law. Written by authors Hein L. W. Nelson and Ulrich Manthe, the work is aimed at readers interested in general legal science. With a paperback cover and a total of 265 pages, the book is suitable for both students and professionals looking to deepen their knowledge in this field. Published in 1992, it is written in German and provides well-founded insights into the legal foundations and economic aspects that are significant for understanding legal science. This non-fiction book is a valuable reference work for anyone seeking to engage with the complex relationships between law and economics.