9780027382006 | Atheneum, September 1, 1986, cover price $15.00 |
About this edition: After being orphaned at an early age and spending years in boarding schools, Dilly begins a new life in a real house in a small town, developing secret magnetic powers under the tutelage of a kindly professor, until he is kidnapped by a madman who plans to control the world with a computer.
9780590431385 | Reissue edition (Scholastic Paperbacks, February 1, 1991), cover price $2.95 |
About this edition: After being orphaned at an early age and spending years in boarding schools, Dilly begins a new life in a real house in a small town, developing secret magnetic powers under the tutelage of a kindly professor, until he is kidnapped by a madman who plans to control the world with a computer.
9780590411691 | Scholastic Paperbacks, March 1, 1988, cover price $2.50 |
About this edition: After being orphaned at an early age and spending years in boarding schools, Dilly begins a new life in a real house in a small town, developing secret magnetic powers under the tutelage of a kindly professor, until he is kidnapped by a madman who plans to control the world with a computer.