First, identify

XYZ is a runic chant.
XIX is a fresh gust of wind.
XLX is a kind of claustrophobic flipbook.
XSY is a book of bridges.

XWZ is Joyce-like rabbit hole of loss.
XKY is a brave oddity.
XZC is an unusual specimen.
XCK is consistently smart.
XKC is a masterpiece of human hysterics.

(First lines of selected book reviews at the Pank blog.)