The Architectural Review is joined in this episode by the Canadian Centre for Architecture. On our bookshelf in this chapter is the CCA's CP138 Gordon Matta-Clark: Readings of the archive by Yann Chateigné, Kitty Scott and Hila Peleg, co-published with Koenig Books in July 2020. This episode dwells on the peripheries of Matta-Clark's work – in his library, his travel snaps, and his discarded film footage – to reveal the value that hides in the margins and on the cutting room floor: our future on this planet could depend on it. Guests include Francesco Garutti (Curator of Contemporary Architecture, CCA), Yann Chateigné (curator and writer), Kitty Scott (Deputy Director and Chief Curator, National Gallery of Canada) and Laura Phipps (Assistant Curator at the Whitney Museum of American Art). In collaboration with the CCA, we have carefully selected from their recent and upcoming publications to place on our bookshelf, to tell their stories, and reach outside their pages, taking them for a walk. CP138 Gordon Matta-Clark: Readings of the archive is the culmination of three exhibitions held at the CCA between June 2019 and September last year that were part of the CCA’s continued Out of the Box series. The exhibition series is now being expanded through a new instalment, created in dialogue with the Generali Foundation Collection and on view until 6 March at the Museum der Moderne Salzburg. The book is available to purchase at the CCA's online store now.