Dragonswan

Channon (Shannon with C) MacRea has spent years studying the legendary Dragon Tapestry, deciphering Old English symbolism. One evening delectable Sebastian Kattalakis appears -- a dragon slayer trapped between two worlds -- claims to hold the key to solving the tapestry’s mysteries. Channon follows him into a fantastic alternate world of magic, danger, and adventure.
Also in:
In Other Worlds* anthology
Collector's-edition.