The Land that Time Forgot by Edgar Rice Burroughs.
In 1916 the US Montrose is fired on and sunken by a German U-boat. However the survivors manage to sneak aboard and capture the U-boat. edgar rice burroughs time forgot e-book e-novel
At the Earths Core, by Edgar Rice Burroughs.
A world where prehistoric monsters still live and battle with cave men and women against and even more inhuman master! at the earths core e-book e-novel.
