Grandpa's Amazing Computer

by Ursel Scheffler

Published 1 October 1997
Thinking that his grandfather doesn't know anything about computers, ten-year-old Ollie is amazed when the old gentleman claims to have one of the world's oldest ones lying around somewhere.

Spy in the Attic

by Ursel Scheffler

Published 1 April 1997
After he sees some unusual late-night deliveries, Martin's active imagination has him and his friends convinced that the man who has recently moved into the attic apartment should be watched.