When eleven-year-old Matt must set up a business to save his failing math grade, he overcomes his self-doubt and also gains two friends along the way.

Things get out of hand for a twelve-year-old boy when a neighbor convinces him to expand his summer lawn mowing business.

The oldest Marriss 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.

Sixth-graders Mac and Vince operate a business charging schoolmates for protection from bullies and for help to negotiate conflicts peacefully, with amazing challenges and results.

Twins Bick and Beck Kidd and their family of professional treasure hunters race against mercenaries, rival treasure hunters, and a lumber baron through the jungles and mountains of Peru in search of Paititi, the legendary lost Inca city of gold, in hope of conserving the archaeological treasure and preventing deforestation of the rain forest.

Evan and his younger sister, Jesse, 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.

In this title, unwrap the life of Oreo innovator Sam J. Porcello! Readers will follow Porcello's journey from his childhood through his years at Nabisco where he worked to make the Oreo filling creamier and its cookies more chocolatey! Learn how Porcello developed new Oreo flavors and came to be known as Mr. Oreo while also improving Chips Ahoy!, Fig Newtons, and Mallomars. A helpful timeline, a glossary, and an index supplement historical and color...

Siblings Evan and Jessie must solve the mystery of a missing cherished family treasure while coming to terms with their beloved grandmother's unsettling behavior.

When his family's restaurant and Cuban American neighborhood in Miami are threatened by a greedy land developer, thirteen-year-old Arturo, joined by Carmen, a cute poetry enthusiast, fight back, discovering the power of poetry and protest through untold family stories and the work of José Martí.