- 13- year old Tom Carroll (main character)
- Captain John Ericsson (boat inventor)
Tom is helping build a submarine but gets caught i a tricky situation. Murderous spies are wanting to pay him money to tell them about the boat. Also they are at battle at sea with this monstrous boat.
This is early in 1862 in Tom's hometown of Brooklyn, New York. Tom's father died in a war fighting with the Union. He is now trying to support his family because they are very poor.
About the book
This book was written by AVI. The full name of this book is Iron Thunder: the Battle Between the Monitor & the Merrimac. It is historical fiction with great thrill and history. This book is about "top secret information" and it leaves you mysterious.