This book is one of the greatest it is action packed fun with characters who are nice, strange, evil or just plain crazy. But later you'll find that the characters that look evil might be the good guys and the good may be bad. In the middle of the story everything takes a turn for the worst. This book stars the character Anaka who find many surprises under the boring city of new york. There's a whole new city under there where ll the criminals, and runaways hide. Find out what happens when you read the book. This book is mysterious exiting and a total cliff hanger, you will be at the edge of your seat with this book. I think this book is great for kids about ages 10 to 15, other ages might not enjoy it as much. But that does not mean its not a really awesome book.