Sands of Blood

From publisher blurb:

We dare you to take on the Red Queen in this choose-your-own-destiny Blood Crown Quest! The Red Queen has seized the Ruby of Death and raised an army of the dead. Now, with her husband, the necromancer Mortha, they plan to find the remaining three rubies and cast a permanent shadow over the world. YOU are a former City Guard, a member of an elite unit of highly trained warriors. Your quest is to find the rubies before the Red Queen. First you must return to the City of Alba from where you were banished... You are the hero of this book. Only you can decide your own destiny... Hot spin-off from the I HERO series, which has now sold over 80,000 copies! YOU are pitted against the evil Red Queen and her dark minions as she attempts to collect four rubies to rebuild the Blood Crown.