Murder in the National Library: c-85 (Alandar) Paperback (very good secondhand)
María Mayo has been hired by the Club de Amigos de la Novela de Detectives to cover the information regarding the cycle of conferences «Encounters with crime», which takes place in the National Library. However, during one of the sessions there is an assassination attempt on a speaker: the writer Ernest Buck. A commissioner present in the room will be in charge of clearing up the unknowns of the case, but María will also carry out her investigations.