Diving Adventure is a 1970 children's book by the Canadian-born American author Willard Price featuring his "Adventure" series characters, Hal and Roger Hunt. It depicts their exploits in a futuristic underwater city.
Arctic Adventure is a 1980 children's book by the Canadian-born American author Willard Price. It features his "Adventure" series characters, Hal and Roger Hunt.
Amazon Adventure is a 1949 children's novel by the Canadian-born American author Willard Price featuring his "Adventure" series characters, Hal and Roger Hunt. It depicts an expedition to the Amazon River to capture animals for their father's wildlife collection business.
African Adventure is a 1963 children's book by the Canadian-born American author Willard Price featuring his "Adventure" series characters, Hal and Roger Hunt. On Safari in Uganda, Hal and Roger manage to capture a varied collection of African animals including hippo, hyena, cape buffalo, and leopard. But their …