Is there going to be another alpha omega book?

Yes, there is going to be a 3rd book. If あなた check Patricia Briggs' website, she gives out information regarding all her 本 and an estimated release date.

The 次 book is the 5th of the Mercy Thompson series released this month, then she will be working on re-doing other 本 that she had started. Then she will go back to the 6th Mercy book, followed によって the 3rd Alpha & Omega novel. She estimates that the 3rd book will be out around 2012.