An image of an ancient vessel containing liquid, with partially blurred inscriptions 'Salva' visible on its surface

In the background, the silhouette of Bannerman's Castle on Pollepel Island, surrounded by forest and water, creating an atmosphere of isolation and adventure

At the bottom of the cover, an image of a man running with a child in his arms, symbolizing Joshua and his daughter

On the cover, dark figures symbolizing the brotherhood 'Scarlet Agony' can be depicted chasing shadows, creating a sense of threat and tension

A book cover with dark and muted tones: black, brown, and dark green, with accents of gold or silver for the text and light emanating from a vessel

A book cover that conveys an atmosphere of an ancient mystery, danger, and constant escape, creating a desire in the potential reader to find out what happens next

A dramatic scene set in the 17th century, showing Joshua Flinders arriving home with a crucial chemical substance called 'Salva'

An English archaeologist during an expedition on an island discovered unusual vessels with liquid in a castle

An English archaeologist during an expedition on Pollepel Island, New York, discovers unusual vessels with liquid in Bannerman's Castle

An English archaeologist named Joshua Arne Flinders, during an expedition on Pollepel Island, New York, discovered unusual vessels with liquid in Bannerman's Castle