The work commonly referred to as Laienspiegel is a book of law. It was published in Mainz, in 1509. Its full title is "Laijen Spiegel. von rechtmässigen ordnungen in Burgerlichen vnd peinlichen regimenten. mit allegation[en] vn[d] bewerungen auß geschribnen rechten vnnd gesatzen". This can be roughly translated as "A layman's guide, of the correct order of civil and criminal regiments, with illustrations of written rights and laws.". It was written by Ulrich Tengler, and published by Sebastian Brant. There was a second edition in 1511. The work was very important, there were 14 editions of it in the 16th century.