The Girl From Tomorrow Series by Mark Shirrefs, John Thompson, John Thomson

Alana, a young girl living in the year 3000, is shocked to discover that her guardian Tulista is to be sent back in time 500 years to try to discover the causes of the "Great Disaster" which nearly destroyed all life on the planet. Tulista tells Alana that she will be gone for 28 days but it will only feel like a few seconds to Alana... moreAlana, a young girl living in the year 3000, is shocked to discover that her guardian Tulista is to be sent back in time 500 years to try to discover the causes of the "Great Disaster" which nearly destroyed all life on the planet. Tulista tells Alana that she will be gone for 28 days but it will only feel like a few seconds to Alana. Alana gains entry to the restricted time laboratory to watch as Tulista is hurled back in time only to reappear seconds later, this time as the hostage of a sinister warrior, Silverthorn. When Tulista breaks free, Silverthorn takes Alana as his hostage and escapes back in time. Alana emerges from the time capsule to find herself lost in a strange world — the 1990s... less