● Size: H30.6cm × W24.7cm × D1.6cm ● Hardcover ● French Language ● Publication Date: July 20, 2009 ● **ISBN-13:** 978-2742784530 In this work, Othoniel passionately discusses "What is abstraction?" with the French art critic Bernard Marcad while reflecting on his own creations. This is a bilingual catalog in English and French, featuring illustrations of three-dimensional works made of Murano glass, along with their drawings, produced in recent years.