The Quickie [AUDIOBOOK] [UNABRIDGED] (Audio CD) by James Pat­ter­son and Michael Led­widge (Authors), Mary Stu­art Mas­ter­son (Reader)- Hachette Audio (2007). Here is the syn­op­sis:
When Lau­ren Still­well dis­cov­ers her hus­band leav­ing a hotel room with another woman, she decides to beat him at his own game. But while she’s sneak­ing around, her hus­band is hatch­ing a plan