Much like the previous book in the Hawthorne Saga, Act of Will, Will Power is a light and fun read. It continues to follow the adventures of William Hawthorne. By the time you pick up this second book you've decided you like Will otherwise you probably wouldn't have grabbed this book. Will is an unusual and reluctant hero - more reluctant that most reluctant hero's really. However, he is also oddly brave for someone who claims to only be interested in keeping himself alive.
This episode of the saga has Will and his adventuring friends entering a different nation filled with bear riding Goblins that are at war with a majestic and beautiful city full of majestic and beautiful people. Almost immediately Will and his friends get split up so that Orgros and Mithos, the two main warriors of the party are lost, and Garnet and the Party leader are also missing which just leaves Will and Renthrette to navigate the war and to figure out a way to survive and return home to Stavis.
Nothing about the book is particularly suprising as you read it but Heartley spins a fun tale and Will manages to do some amazing things in spite of himself. If you're looking for a quick and fun fantasy novel or series then this book, and the Will Hawthorne Series should be right up your alley.
I actually liked this book a little better than the previous even though there are some scnees where I think Will's friends are unreasonably hard on him that annoyed me.