a book in which visitors to an institution, lodging, or event may write their names, addresses, and any remarks
They lined up to write in a guest book and pay their respects.
Those most likely ex-handlers clearly underestimated the damage Justin Bieber can do with a guest book.
Justin Bieber learned this lesson the hard way when he decided to write his own entry in the Anne Frank House guest book.
The electronic equivalent of the physical notebooks found in some small hotels, in which visitors can write their names, comments and suggestions for the benefit of the proprietors and future visitors or purely for posterity. The electronic version is a form on a web site into which users can enter similar details for display on the site.