Seems to be a very modern font. No identifier-service I found delivered a result.
I tried MyFonts WhatTheFont and several other services I found on Google, always without success.
Here are the WhatTheFont results
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That doesn't narrow it down much, as there are many, many didones out there. And many of them are used for things like publication mast heads and luxury product branding--both of which are not uncommon to have commissioned custom typefaces. As such, this may very well be a custom typeface just for Art Basel.
That said, it appears the book was designed by Gavillet & Rust. Maybe shoot them an email and ask the source directly!
If you continue hunting, I'd focus on the E and the M as they both stand out to me as rather unique amongst didones (the M with the curved stems and the E with the thing 'T' crossbar and triangular serifs).
It's rather like EF Walbaum, although it's not identical; the serifs on E N and T differ but C and S are very similar: