From the back of the book:This book offers a wealth of new information for players and storytellers alike. Herin you will find new houses, expanded rules and explanations for cantrip casting and other lost information of the fae, as well as complete crossover rules for introducing Changeling to any Storyteller chronicle. Finally, a complete story is included, playable by novices and veterans alike.Book of Lost Dreams Features: Complete crossover rules for playing Changeling with the Storyteller games. New rules to expand you chronicle and offer players more options and possibilities including expanded cantrip rules. An introductory Changeling adventure. - BoardGameGeek