Idea Bibliothecae Helveticae, written by Ludwig Walthard and published in 1782, is a comprehensive guide to the establishment and management of a library in Switzerland during the 18th century. The book covers topics such as the history of libraries, the importance of a well-organized catalog, the acquisition and preservation of books, and the role of librarians in promoting education and intellectual development. Walthard also provides detailed instructions on how to create a library classification system and offers advice on how to handle difficult patrons and prevent theft. The book is written in a clear and concise style, making it accessible to both novice and experienced librarians. Overall, Idea Bibliothecae Helveticae is a valuable resource for anyone interested in the history and development of libraries, particularly in Switzerland during the 18th century.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.