Definitely worth a credit! I liked that one of the main characters had a disability yet he was able to figure out how to do what he needed. There was a good balance of drama, explanation of weapons, tips and tricks for everyone. I wish the ending would have been a bit longer and explained the possible relationships. Each book by Grace Hamilton gets better than the last. One exception is the annoying repetitive phrases (He raked his hands threw his hair was used so much it was off putting).