Just so you know, the next three books don’t form a trilogy. It’s actually Book 5 split into two…

Just so you know, the next three books don't form a trilogy. It's actually Book 5 split into two volumes, followed by Book 6—for which we don't yet have a title, cover, or release date. This book is literally the continuation of Book 4. We aren't looking at a new trilogy or duology centered on the Valkyries. The title refers to the Wagner opera, and yes, the Valkyries will play a role—though I'm…