"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...

Now in middle school, Isaiah Dunn participates in a mentoring program, but he has a hunch that his mentee--a troublemaking third-grader name Kobe--has a secret and Isaiah is determined to get to the bottom of it.

Sixth-grader Zoe sets her sights on winning a laptop by becoming the top cookie-dough seller in her class, but as she becomes more obsessed with winning, she begins to lose sight of what is really important.