Sylvester Coddmyer III is having a dismal baseball season until he takes advice from a mysterious ex-ballplayer named Cheeko and starts to play more aggressively.

Mike Hagin offers his new friend from Russia the first baseman's position on the little league team before he finds out the boy can't play baseball.

After he gets hit by a fast-moving ball, Turtleneck Jones loses his confidence on the baseball diamond and sees his position at first base given to another player.

An aura of intrigue surrounds a baseball coach obsessed with the idea of turning a bunch of handpicked beginners into champions in one season.

Travis, less obsessed with baseball than his fellow team members, tries to balance his playing with his hobby of horror videos and starts receiving anonymous threats warning him to spend more time on baseball.

Eleven-year-old cousins Carter Jones and Liam McGrath must both deal with grudges that threaten to break apart their All-Star teams during post-season play.

When Jimmie is elected captain of his baseball team, his first decision is to appoint himself pitcher--much to his teammates' dismay. They already have a good pitcher, Paul. When Jimmie's pitches fail to find their mark, his teammates let it be known that they want Paul back on the mound. But even if Jimmie agrees, will Paul be willing to return?

Mudders' catcher Rudy Calhoun is having a bad season behind the plate until, at a yard sale, he buys a used catcher's mask that greatly improves his playing.

Eddie doesn't like the idea of girls playing baseball in his league, but when one of his pitches injures a girl, he rethinks his attitudes.

The final book in the series has Liam and Carter's teams on the verge of winning the greatest championship of all: the Little League Baseball World Series. Cousins and best friends who grew up playing baseball together, Liam and Carter must now play against each other to achieve their dreams of winning the Series title! One cousin will win, and the other will lose.