A boring history lesson. A very unusual teacher. And homework that's impossible to complete — unless you're willing to go back in time.
When the mysterious Cornelius Holmes arrives as a substitute, Callie, Bryn and Lloyd expect another dull session on the Black Death. What they don't expect is a magical book that transports them straight into medieval Cardiff — where the streets are filthy, the plague is very real, and the locals aren't exactly pleased to see them.
Can the three friends find their way home before things go from historically bad to catastrophically worse?
A time-travelling adventure packed with friendship, football, and fourteenth-century chaos.
