This book, following on from Ironhand's Daughter, starts down a very different path at the outset. Sometimes you wonder whether you are actually reading the sequel. The twists in time using the gates are quite numerous and sometimes require some careful thinking. As the book goes on however, the story becomes clear and this book is a fine completion to this story, albeit, the plot unwraps slowly and the finale and wrap up are done over the course of 20 pages. In some way it all seems a bit too convenient, almost as though the author lost interest in the end.