When the owner of Treasures of Time agrees to hold a fossilized shark's tooth for him for one week, Freddy must think of a way to earn the fifty dollar price.

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.

Summer vacation in their small Maine town does not look too promising until twelve-year-old Gina and four of her friends make a pact to become millionaires before school starts in September.

Lulu needs help from a boy named Fleischman if she is to earn money walking her neighbors' dogs, and she finds out that if she wants her business venture to succeed, she has to be nice.

Twelve-year-old Greg, who has always been good at moneymaking projects, is surprised to find himself teaming up with his lifelong rival, Maura, to create a series of comic books to sell at school.

"Life in middle school is finally starting to seem bearable-until Rafe spots his grandmother standing on the free-meal line at the local soup kitchen. In order to help bring in more money, Rafe concocts a brilliant plan-a dog-walking business that soon turns into a huge money-making neighborhood empire"--

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

Ivy and Bean try to make money by writing a newspaper about Pancake Court but the neighbors are not pleased to read about themselves.

Ok Lee knows it's his responsibility to help pay the bills. With his father gone and his mother working three jobs and still barely making ends meet, there's really no other choice. If only he could win the cash prize at the school talent contest! But he can't sing or dance, and has no magic up his sleeves, so he tries the next best thing: a hair braiding business. It's too bad the girls at school can't pay him much, and he's being befriended against...

"Isaiah is now the big man of the house. But it's a lot harder than his dad made it look. His little sister, Charlie, asks too many questions, and Mama's gone totally silent. Good thing Isaiah can count on his best friend, Sneaky, who always has a scheme for getting around the rules. Plus, his classmate Angel has a few good ideas of her own--once she stops hassling Isaiah. And when things get really tough, there's Daddy's journal, filled with stories...