The Driver's Seat/Muriel Spark

Lise has been driven to distraction by working in the same accountants' office for sixteen years. So she leaves everything behind her, transforms herself into a laughing, garishly-dressed temptress and flies abroad on the holiday of a lifetime. But her search for adventure, sex and the obsessional experience takes on a far darker significance as she heads on a journey of self-destruction. Infinity and eternity attend Lise's last terrible day in an unnamed southern city, as she meets her fate.