This sea adventure book cover features an open treasure chest at the bottom of the ocean. The chest is filled with gold, jewelry and other treasures. There’s a skull and a sword also nearby. There’s a face of a skull that covers most of the cover.
This science-fiction / fantasy book cover features an image of a large octopus. The tentacles make up most of the cover. The head of the octopus is not shown.
This fantasy book cover features a castle on an island. There are a flock of birds flying nearby. The island only takes up half of the cover. The rest is the sky with clouds where the title is.