I didn't like this book in the beginning, mainly because I found it difficult to sympathise with the main protagonist. However, as this complex fanta..Show More »sy began to develop, I became more and more interested. Ile-Rien is under attack by nameless raiders who appear out of nowhere, crossing from another world. Magician scientists of Ile-Rien manage to work out how to travel between worlds. They make contact with othes who are also under attack. The complexities of the two cultures makes for interesing reading. By the end of the book I wanted to know more.