The plot centres around three Earth teenagers, Ashley from Oregon USA and two Welsh boy, Mike and Rhys. The teenagers accidentally trigger a magical force when they find and connect a magical pendant and ring. All three are thrown into the world of Portalia where they arrive in the city of centaurs, Eumor. Here they befriend a young female centaur and the centaurs agree to help the earthlings return home.
To do this they must join forces with the centaurs, together with the friendly Portalia races of humans, elves and dwarves, to fight against an ancient foe, recently reawakened after many generations.
This foe, a warlock, has forged a mighty army of strange rock hewn creature known as the Graav couple with a huge force of spiders, called forth from various worlds by the use of a crystal known as The Spider Gem.
The review of this Book prepared by Gene Vernon