Fast-paced time-travel action adventure featuring Will Solvit, a young boy who is called upon at any time of the day or night to solve a problem in another era. Boys aged 6+ in particular will love. Lots of collectability as well as there is a cover-mounted unique decoder to allow the reader to unlock the hidden pictures on the pages. This is the first in the series with a number of others published to coincide. In addition there's an 8 page fact file and timeline about the period in time that Will has gone to - the sort of facts that are sure to impress friends and family.