Book 13


Book 18

The Shrinking House

by William Arden

Published 15 October 1992

Book 19

Phantom Lake

by William Arden

Published 15 October 1992

Book 21

The Haunted Mirror

by William Arden

Published 12 November 1992

Book 23

The Invisible Dog

by William Arden

Published 12 November 1992

Book 24

Death Trap Mine

by William Arden

Published 12 November 1992