The unseen

This book is about a teenager that is 13 and moves into a new house with only a mom and a dog . One day Mike explores around and finds a hidden dark room. He finds a book called "the unseen" and its all about the creatures that are with us but can't be seen. Then he finds out that his great great uncle wrote the book and that Mike has the ability to see the creatures. The hard part is, finding out to unlock his ability.