Book signing

Frans de Waal signing one of his books at the University of Auckland's Owen G. Glenn Building before delivering the third and final lecture in his "Our Inner Ape" series, for the Douglas Robb Memorial Lectures. The book cover visible is Primates and Philosophers: How Morality Evolved.
Josh Gross at Rediscovered Bookshop in Boise, Idaho, at the booksigning of his memoir The Funeral Papers in August 2016

Book signing is the affixing of a signature to the title page or flyleaf of a book by its author. Book signings are events, usually at a bookstore or library, where an author sits and signs books for a period.