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.