The Thief of Castle Grayskull

The Thief of Castle Grayskull is a book in the Golden Super Adventure collection. Written by Roger McKenzie, illustrated by Fred Carrillo. 1983.

Description
When Skeletor uses a powerful storm to move the Castle Grayskull to the Land of Shadows, He-Man and his companions rush to prevent the evil wizard from learning the castle's secrets

Video
Masters of the Universe | The Thief of Castle Grayskull