|summary=Action filled children's story about the quest to save two universes will really appeal to many younger readers, especially if they're interested in history. Richard Denning was kind enough to be [[The Interview: Bookbag Talks To Richard Denning|interviewed by Bookbag]].
|rating=4.5
|buy=Yes
|borrow=Yes
|paperback=1445251388|pages=426300|publisher=MerciaBooks|date=February March 2010