Blue Seal is the second book in this exciting new series. Young readers will greet with excitement the return of Bobby, David and the professor. The two heroes are thrown into the world of time travel once again, but what do they find? Their Garden of Eden island appears to be in chaos and their beloved Crone near death. The wicked Workhouse Oracle and her orbs need to be stopped in their tracks. Bobby's crystal ball is wanted desperately. What is the Blue Seal and where can they find it? Maybe Henry and Ina's secrets will be revealed—what do the children hear when they eavesdrop on their conversation? What does their time travel reveal about the island natives? The illuminating but horrifying tale that Madden relates to the children exposes truths they had never known before. Bobby and David's relationship becomes closer as they experience many challenging encounters, and they find themselves bonding in a way they would never have guessed at when they first met....

When Bobby's grandmother was thirteen, she and seven friends disappeared for a period of six days. No-one in town ever talks about this mystery but Bobby wants to know what happened then and if it was the reason why her grandmother always had a sad, faraway look in her eyes. Red-haired, hot-tempered Bobby is an ultra-modern twelve-year-old girl from a Celtic background with ideas that could be described as alternative. Raised to be open-minded and confident by a single, working mother who holds angel card readings and is interested in New-Age beliefs, Bobby is fiercely independent in her own thinking and behaviour. When she meets another home-schooler, David, who is from a big, highly educated Italian family and has been raised to have more conservative, mainstream beliefs and old-fashioned values, it is difficult to imagine how they could ever be friends. However, the do have something in common. David too has a mystery that he wants to solve about his own heritage Bobby is...