Fourteen-year-old Kevin is a hard worker, so when his income is cut off he begins a series of businesses, from poker games to selling snacks, earning money to take a girl to a dance, but his partners soon tire of his methods.
Six-graders Mac and Vince, who operate an advice and assistance service for fellow students, face new dangers when a strict administrator is hired to clean up the school and a strange and dangerous girl asks for their help to have a teacher fired.
Inspired by her grandparents' bakery and her recent visit to Paris, nine-year-old Grace leads her friends in starting La Petite Patisserie, making and selling French pastries at school and special events, but they soon discover that starting a new business is not always easy--or fun.
Having expanded his summer lawn mowing job into an ever-growing business conglomerate, a twelve-year-old boy gets involved in high finance thanks to his hippie stockbroker, takes on sponsorship of a boxer, and becomes a media sensation.
The oldest Mariss brother, fourteen-year-old Dewey, attempts to be the "embodiment of responsibility" as he juggles the management of the family's bicycle repair business while sharing the household and farm duties with his siblings after a sudden energy crisis strands their parents far from home.
Tallulah the Tooth Fairy, a black businesswoman who runs one of the most successful tooth collecting organizations in the world, finds herself unexpectedly stumped when six-year-old Ballard Burchell leaves a note instead of his tooth under his pillow.
Malia, Dot, and Bree are psyched to land their highest paying job yet--until they get to the house and realize they're babysitting Zelda Hooper, Bree and Malia's archnemesis since preschool. Babysitting: not just for babies, apparently. And it's too much money to walk away from...so at least there are no diapers? But all of the babysitting in the world couldn't prepare the girls for their unusual new charge, and even though Zelda should be the one...
Fifth-grader Cleo Edison Oliver is full of money-making ideas, and her fifth-grade Passion Project is no different--but things get more complicated when she has to keep her business running, be a good listener when her best friend needs her, and deal with the bully teasing her about being adopted at the same time.
Twelve-year-old Mikey Pruitt--president, founder, and CEO of Anything, Inc.--has always been an entrepreneur at heart. Inspired by his grandfather Pap Pruitt, who successfully ran all sorts of businesses from a car wash to a roadside peanut stand, Mikey is still looking for his million-dollar idea. Unfortunately, most of his ideas so far have failed. A baby tornado ran off with his general store, and the kids in his neighborhood never did come back...