What to see: Picasso and his muses

Picasso on Paper is at Omer Tiroche, 21, Conduit Street, London W1, until December 16 (020–7499 5143; www.omertiroche.com). More than 30 rarely seen works on paper, all for sale, including Chevalier et Picador dans l’arène (above) document this significant part of the artist’s oeuvre, his draftsmanship being the main outlet for his incessant reshaping of ideas.