The Vanishing Velazquez--A Nineteenth Century Bookseller’s Obsession with a Lost Masterpiece by Laura Cumming is fascinating non-fiction. Set in Victorian England it traces the dramatic events that lead from a bookseller’s discovery of a faded portrait he is sure is a long lost Velazquez. The book blends biographical information on Velazquez, the Spanish and British courts and John Snare the bookseller. Art criticism and history, background on provenance and an intriguing philosophical discussion on how we look at art and the impact it can have round out this fascinating read.