Patryk and Jurek are as much friends as rivals in the small Russian-occupied Polish village where they live. When, in August 1914, Patryk finds an old button on the forest floor, Jurek becomes wildly jealous. Not long after, World War I comes to Poland, bringing one invading army after another to the village. Jurek devises an exciting dare among the seven boys in their pack: whoever steals the best military button will be Button King. The boys agree....

"Twins Stacy and Gina Cavallaro are on rival little league teams, and when Gina accidentally unleashes a curse that wakes the dead, Stacy's misfit team gets coached by a baseball-playing zombie!"--Publisher's description.

Each circus animal is pushed off the stage by a bigger animal until they learn that they all are stars in the circus.

"When Joey has to compete with his best friend, Zach, for a single spot on an elite baseball team, he is forced to decide how far he is willing to go to win"--

A friendly neighborhood business competition between two sixth-graders---Rachel Chambers, so quiet she is practically invisible, and Peter S. Gronkowski, future mogul---turns into a ruthless rivalry.

Dylan's parents have always boasted that he is the "very best and cleverest super-villain in the whole wide world, " but when he meets Addison Van Malice, his powers are put to the test.

Chuck the woodchuck is a skilled sculptor in wood, and he has won the Best of the Forest art contest three years in a row, but this year he faces a serious challenge from a newcomer, Scooter Possum.

Just before the most important violin competition of her career, seventeen-year-old prodigy Carmen faces critical decisions about her anti-anxiety drug addiction, her controlling mother, and a potential romance with her most talented rival.

With the town's annual Grand Festival of Inventions coming up, Cleonardo is determined to invent something impressive to enter, something that will impress her inventor father Geonardo.

When the rivalry between the Whipples and the Goldwins escalates to an all-out war as the World Record World Championships draw near, recordless Arthur Whipple and his unlikely ally Ruby Goldwin unravel the mystery of the Lyon's Curse and the secrets of their fathers' shared past.