In its time , however , Dragonsong brought the fictional planet Pern to a new publisher , editor , and target audience of young adults .
In its time , however , Dragonsong soon became the first book in the Harper Hall of Pern trilogy .
In its time , however , Dragonsong brought the fictional planet Pern to a new publisher , editor , and target audience of young adults , and soon became the first book in the Harper Hall of Pern trilogy .