Slote, Alfred

Although he's not very good at baseball, ten-year-old Henry uses his imagination to become a better ball player.

For his tenth birthday, Jack wants a robot so he'll have someone to play with.

Voya-code is the most sophisticated form of interplanetary travel, but a young boy finds out it is not without dangers.

Jack and his robot buddy, Danny One, set off for the planet Janus to rescue the young King Paul from his conniving uncle.

Stranded on an unknown planet when their spaceship runs out of fuel, the Jameson family must rely on their robot to save their lives.

In the twenty-first century Arthur Dunn is summoned to Australia to track down a runaway clone urgently needed to provide vital organ transplants for her parent, the superb actress Lady Kate.

Although he's not very good at baseball, ten-year-old Henry uses his imagination to become a better ball player.

During a summer of baseball and baseball card trading, eleven-year-old Andy makes discoveries about his father, his grandfather, who played professional baseball, and himself.

Eleven-year-old Jason, believing the school custodian Mack Henry to be Buck McHenry, a famous pitcher from the old Negro League, tries to enlist him as a coach for his Little League team by revealing his identity to the world.