Evan and his younger sister, Jessie, react very differently to the news that they will be in the same class for fourth grade and as the end of summer approaches, they battle it out through lemonade stands, each trying to be the first to earn 100 dollars. Includes mathematical calculations and tips for running a successful lemonade stand.

"A.J. and the gang from Ella Mentery School start a company to sell their brand new invention-a heated, scented, talking toilet seat!"--

Twelve-year-old Pearl Li tries to gain her family's acceptance and save her favorite boba tea shop by selling her crocheted amigurumi dolls. Pearl Li is ready to spend the summer before seventh grade hanging out with her two best friends, crocheting the cutest amigurumi dolls, and visiting her favorite tea shop, Boba Time. Its quirky owner, Auntie Cha, is the only adult Pearl can confide in about her art--if only her tech-obsessed family would understand...

Malia, Dot, and Bree get a much older--and scarier--client than they expected, but looks can be deceiving.

Birdie wants a very expensive soccer ball but has no money, so she starts selling dirt and learns some important lessons along the way.

School's out, and Splat can't wait to visit the waterpark, but first he needs to make some money-selling lemonade! Splat opens a lemonade stand to make enough money to buy a ticket to the Super Jump Water Park. But when Spike opens another lemonade stand right across the street, Splat is in for some friendly competition. He's going to have to think fast to beat his rival!

When Mallory's mother refuses to buy her a purse, Mallory tries a series of businesses in order to make money and buy it herself.

"Determined to go to an elite art camp, young Korean American girl Gigi Shin starts a tutoring club with her friends to make money, but when the first few sessions are chaotic, she wonders if she'll end up sacrificing more than she bargained for to achieve her dreams"--

After her father's landscaping business fails and the family loses their house, sixth-grader Griselda Zaragoza follows her sister's example and begins selling Alma cosmetics while hiding her changed circumstances from friends.

In Dorset, England, twelve-year-old Kat Wolfe opens a pet-sitting business, but the owner of her first client goes missing and only her new friend shares Kat's conviction that the parrot's owner is the victim of foul play.