Dallas O’Neil and the Baker Street Sports Club Books in Order

An Olympic coach offers to train the Baker Street Sports Club's young gymnasts if they commit years of hard work. When the coach becomes discouraged and nearly quits, Dallas must consider how the children can help.

Dallas's sports club organizes a hockey tournament to raise money for equipment. When the favored teams lose early and younger players begin winning, accusations of cheating threaten Dallas and complicate the competition he helped arrange.

Dallas organizes a city football championship, but one team behaves strangely: its players never speak, even to their coach. The coach is equally silent, leaving Dallas with a mystery as the tournament brings the teams together.

Dallas's basketball team reaches the championship unbeaten, but the opposing center makes the boys uneasy. Rumors about his age and size, along with injuries to other players, turn a sporting challenge into a mystery.

Dallas O'Neil and his friends want to play baseball, but their town has neither a little league nor a place to play. They must organize a team, create a diamond, and find opponents themselves.

A fast runner moves into Dallas's neighborhood, but he remains silent and avoids friendship. Dallas and the Baker Street boys try to understand why their talented new neighbor keeps everyone at a distance.

Dallas and his friends need a swimming coach to reach a state competition. Their candidate walks with a limp, never smiles, and seems bitter, leaving the boys wondering what lies behind his behavior.

Dallas's soccer team enters a new league with only one experienced player. Angry opposing parents and a referee who seems determined to make them lose compound the difficulties facing the Baker Street Sports Club.