Boy/Girl Battle Books in Order

Still embarrassed by their neighbors’ Halloween victory, the Hatford boys try frightening the Malloy sisters with stories of a legendary creature. The girls answer with schemes of their own, turning another round of retaliation into a contest of ingenuity.

The Hatford brothers hope boys will replace their departed best friends across the river, but three sisters move in instead. Determined to drive the newcomers away, they launch pranks that the Malloy girls prove fully capable of answering.

As Halloween approaches, the Malloy sisters plan revenge against the Hatford brothers’ relentless tricks. A costume contest raises the stakes of their neighborhood feud, giving both sides another chance to outwit each other and claim the upper hand.

The Hatford boys and Malloy girls continue their feud as Christmas approaches. Forced to partner on a school project, Caroline and Wally must decide whether their determination to annoy each other matters more than earning a passing grade.

Ordered to treat the Malloy girls like sisters, the Hatford boys find ways to continue their rivalry within the rules. Their youngest brother, Peter, complicates every scheme by befriending the girls and freely revealing his brothers’ plans.

Josh Hatford claims he's spying on Beth Malloy to escape his brothers' teasing about their romance. Meanwhile, a science-fair project and Caroline's curiosity about love create new opportunities for the rival families to cause trouble.

The visiting Benson brothers join the Hatfords in planning to frighten the Malloy girls, who have tricks of their own. A cougar roaming nearby eventually draws the rivals into a shared adventure more dangerous than their pranks.

A baseball position, spelling-bee honors and a bottle race give the Malloy girls and Hatford boys new reasons to compete. Distrust fuels their schemes until an attempt to interfere with the river race puts Caroline in danger.

Baseball commitments and a yard sale leave Wally Hatford frustrated, while Caroline draws him into a school play. When the girls discover something embarrassing from the boys' past, Wally devises a plan to turn the tables.

The Malloys and Hatfords compete to earn money for a hospital fundraiser, with parade participation among the rewards. Caroline dreams of riding the Strawberry Queen's float, but suspects the boys are keeping their money-making plans secret.

Wally Hatford joins a summer newspaper project despite wanting a quiet vacation away from Caroline Malloy. Strange noises in a bookstore cellar reveal a secret that might make a great story, if he dares share it.

With the Malloy girls preparing to leave Buckman, the Hatford boys think their rivalry is nearly over. Eddie challenges Jake to a final daring contest, leaving both sides determined to claim victory before summer ends.