We leave a special acknowledgement to the employees of the Coimbra Municipal Library who took the time to explain to us their job and the operation of the many spaces in this library: Adosinda Vinhas (Braille Service), Alexandra Augusto (Donations Gallery / Old Book), Anabela Eusébio (Annexed Network Office / Bookmobile), Branca Maria Fonseca (Binding Service), Catarina Gersão Alarcão (Restoration Service / Old Book), Cláudia Lemos (Audiovisual Service / Phonoteque), Cristina Firmo (City History Office), Helena Amaral (Children’s Library / Ludotheque), João Carvalho (Image Library), Maria de Fátima Carvalho (Reference Office), Maria Graça Ribeiro (Children’s Library / Ludotheque), Maria Odete Buco (Children’s Library / Ludotheque), Paula França (Historical Archives), and Zita Veiga (Periodical Catalogue). Finally, to Alexandra Firmo, for her kindness and availability for production support, and to Rodrigo Azenha, who, always affable, full of good will and patience, toured us to all the spaces, introduced us to all these people and cleared up all our doubts.