There's nothing eight-year-old twins Zach and Zoe Walker love more than playing sports and solving mysteries. And when those two worlds collide...well, it doesn't get any better than that. In the opening installments of the Zach and Zoe Mysteries, best-selling author Mike Lupica begins a series for a new and younger audience, introducing listeners to a sports-loving detective duo who can swing for the fences and catch the culprit in one fell swoop.

Jack Callahan is the star of his baseball team and sixth grade is supposed to be his year. Undefeated season. Records shattered. Little League World Series. The works. That is, until he up and quits. Jack's best friend Gus can't understand how Jack could leave a game that means more to them than anything else. But Jack is done. It's a year of change.

Chris Conlan is the coolest kid in sixth grade, the golden-armed quarterback of the football team and the boy all the others look up to. Scott Parry is the new kid, the boy with the huge brain, but with feet that trip over themselves. These two boys may seem like an odd couple, but each has a secret that draws them together, and proves that the will to succeed is even more important than raw talent.

Wes' father always told him there was only one ball in basketball: that you had to know when to take it yourself and when to give it up, that finding the right balance was key. So at every practice and game, Wes tries his best to be a good basketball player and, above all, a good teammate. As the season kicks off, Wes finds that not everyone on his team has the same idea. All-star player and Hawks point guard Danilo "Dinero" Rey seems determined to hold the spotlight and the ball, even if it means costing his team the game.

Forced to live on his own after his mom dies and her boyfriend abandons him, 12-year-old Jayson does whatever it takes to get by. He will do anything to avoid the foster care system. Besides, his real home has always been the beat-up basketball court behind the projects in the North Carolina hills, and his family has always been his friends and teammates. He manages to get away with his deception until the day he gets caught stealing a new pair of basketball sneakers. Game over. Within a day a social worker places him with a family from the other side of town, the Lawtons.

Twelve-year-old Michael Arroyo lives in the shadows of Yankee Stadium, home of his heroes, but a place that might as well be on a different continent since he can't afford to see the inside. He also lives in the shadows of his Bronx neighborhood, hiding from the bill collectors and the officials who would separate him from his 17-year-old brother if they knew the two boys were living on their own. Baseball is Michael's only salvation.

Jake Cullen is a freshman quarterback playing high school football in the high-pressure land of Friday Night Lights (Texas). He is also the brother of Wyatt Cullen, who quarterbacked his team to the Texas State Championship last season - not to mention the son of former NFL quarterback and local legend, Troy Cullen. To be a Cullen in Texas is to be royalty…and a quarterback. All of which leaves 14-year-old Jake in a Texas-sized shadow, a tall order for any boy, especially one who's merely a freshman.

Twelve-year-old Danny Walker may be the smallest kid on the basketball court, but don't tell him that. Because no one plays with more heart or court sense. But none of that matters when he is cut from his local travel team, the very same team his father led to national prominence as a boy. Danny's father knows Danny isn't the only kid who was cut for the wrong reason, and together, this washed-up former player and a bunch of never-say-die kids prove that the heart simply cannot be measured.

When the Brighton Bears suit up on game day, 12-year-old Tommy Gallagher is the toughest kid on the football field. And the bravest. After all, his father Patrick is a Boston firefighter - one of Boston's bravest. Tommy's dad taught him everything he knows about football - and life. Yet even Tommy isn't strong enough for what happens when the sirens ring and, for the first time, they're racing away from the fire. "First man in; last man out" had always been his dad's motto, yet he never said anything about leaving in an ambulance.

New York Times best-selling author Mike Lupica scores a touchdown with his new middle-grade sports series!Ben McBain is every football team's dream player. He's a jack-of-all-trades guy that can handle almost any position. When the game is on the line, Ben's number is the one being called for the final play. But Ben wants to be the starting quarterback and the one thing standing in his way is the coach's son.Shawn O'Brien looks the part.

Will Tyler can fly on a football field. He may not be the biggest running back around, but no one can touch him when it comes to hitting the hole and finding the end zone. And no one can match his love of the game. When Will has a football in hand, he may as well be flying for real because life can't touch him - his dad isn't so defeated, his town isn't so poor, and everyone has something to cheer for. All of which does him no good if the football season is canceled.

Hutch has always played shortstop. His idol Derek Jeter, plays the position, and more importantly, so did his father. But when a better shortstop joins the team, Hutch must move to second base. With his father's shadow looming and the championship on the line, Hutch will need to make the adjustment quickly.

12-year-old Charlie is a fantasy football guru. He may be just a bench warmer for his school's football team, but when it comes to knowing and loving the game, he's first-string. He even becomes a celebrity when his podcast gets noticed by a sports radio host, who plays Charlie's fantasy picks for all of Los Angeles to hear. Soon Charlie befriends the elderly owner of the L.A. Bulldogs - a fictional NFL team - and convinces him to take a chance on an aging quarterback.

Award-winning journalist and ESPN personality Mike Lupica crafts a moving tale of perseverance, loyalty, and of the hope that rides on one pressure-packed football toss. If 13-year-old Nate Brodie can throw a football through a small target at a Patriots game, he will win a million dollars. Since his dad just lost his job, Nate welcomes the opportunity at first.

It is every baseball kid’s dream summer job: batboy for your hometown Major League team. Yet for 14 year-old Brian, the job means more than just the chance to hang around his idols. Baseball was the job his father loved so much, in the end he couldn’t leave it. Yet he could leave his family. Now Brian sees the job as the way to win back his father.There is no winning back some people, though