Celebrated for his lively window displays for Lanvin, among his many creative pursuits, the house’s creative director Alber Elbaz has authored the book ‘I love You’ (Rizzoli, $75, Oct. 2014), a photographic record of these street-theater tableaux derived mostly from the Rue du Faubourg Saint-Honoré boutique, as well as one-off exhibits at the Crillon and Art Basel Miami.