An Archway paperback

By accidentally short-circuiting Professor Bullfinch's new crystalline material, Danny Dunn enables the professor to create a new machine that makes Danny invisible.

A scientifically-minded fifth grader finds himself in a frightening predicament when he proves that his teacher is a witch.

Describes the beliefs and ceremonies of witchcraft and the treatment of witches from ancient times to the present day.

When Rupert's friend Amelia is kidnapped by Mordo the warlock, Miss Switch the witch returns in the guise of a substitute teacher to help him rescue her.

Robert Smalls, born a slave in Beaufort, South Carolina, grew up to become the best pilot in Charleston until Fort Sumter fell. Then he decided to take the paddle-wheel steamer, the "Planter," over to the Northern forces and free himself and his family. Thereafter he became a man who fought for freedom in the United States Army, and later went to Congress and worked through the hopes and disillusionment of Reconstruction. (Publisher).

The adventures of Eddie as he gets a job in a pet shop and acquires a hat that soon becomes one of his most prized possessions.