Yan's recently released 'Forest' book is reviewed in European Photography magazine (number 103) by Boris von Brauchitsch under the title 'My Friend, the Tree'. Four other books 'Women in Trees' by Collection Jochen Raiß, 'Wise Trees' by Len Jenshel, 'Ancient Skies, Ancient Trees' by Beth Moon, and 'New Trees' by Robert Voit have also been reviewed in the essay. What great companies!