Amy Kathleen Ryan – Zen and Xander Undone

Zen and Xander are sisters—truly, madly, deeply sisters—and this is their last summer together.

They are surviving fine since their mother’s death. Except Zen keeps getting into fights and Xander is spiraling into a vortex of dangerous parties.

In the midst of the chaos, Zen and Xander discover a mystery about their mother’s past. Sharing its secrets will be the bond that holds them together.