Beg, Borrow, Or Steal (When in Rome #3) by Sarah Adams
Summary (from the publisher): Two feuding second-grade teachers (and neighbors) find themselves teaming up in this new rivals-to-lovers romance set in Rome, Kentucky. Emily Walker hates having her carefully crafted world disrupted by anyone, most of all her legendary nemesis, Jack Bennett. He’s the opposite of the wonderful heroes she dreams up in her double life as a romance writer, which is why Emily was perfectly happy when Jack left Rome, Kentucky, mid-school year with his fiancée. The last thing Emily saw coming was Jack’s return at the start of the summer after calling off the wedding and ending his relationship, but he’s here to stay—as her colleague and her neighbor. Jack is glad to be back, eager to renovate his house and work on the next mystery novel under his bestselling pen name. But when he realizes he’s now neighbors with the one woman who has always pushed his buttons, he discovers something he’s even more excited about—thwarting Emily and her petty plans t...
