Book excerpt: Now, in this volume authored by the art historian Margrit Hahnloser-Ingold, also the couple's granddaughter, the story of this legendary collection is told for the first time. Alongside 250 color plates, The Hahnloser Collectionoffers a chronology detailing the couple's purchases, their travels and their relationships with artists, in an unprecedented insider peek into the world of the Nabis, the Fauves and turn-of-the-century French painting.