Gregory Korenstein-Jasperton is an eleven-year-old boy who likes to write stories and poems and is not excited by math, but he has a problem--he is the middle child in a family of math geniuses and his father expects him to participate in the City Math contest.
Sebastian the turtle tells his father about all the jobs he might do when he grows up, from fireman to skydiver, and agrees that being a father might be the best of all.
On his thirteenth birthday, Jacob learns a secret about his birth and becomes involved in his father's work to protect other beings from the planet Ormingat who live on Earth.
Matapari finds himself torn between the modern life of the Internet, satellite television, and cell phones that his uncle can offer him and the more traditional African life of his father.
Bo learns about kindness, love, loyalty, appearances, and pretense from the unusual characters he meets when he is sent to live with his father after his mother decides to remarry.
In 1947, his head filled with the advice and wisdom of his runaway father, thirteen-year-old Freddy moves his mother from their Georgia farm into town and takes on the challenge of holding his family together.
While tracking down the long-lost father of his best friend Jeremy, popular eighteen-year-old Sebastian calls on a network of favors and debts and begins to question his way of life.