There is more than one author with this name in the database, see f.e. John Marsden
His first book, So Much To Tell You, was published in 1987. This was followed by Take My Word For It, a half-sequel written from the point of view of another character. His landmark Tomorrow series is recognized as the most popular book series for young adults ever written in Australia. The first book of this series, Tomorrow When The War Began, has been reprinted 26 times in Australia. The first sequel of a new series of books featuring Ellie Linton from the Tomorrow series (The Ellie Chronicles) was published in 2003, with the second novel and third novels released in November 2005 and November 2006 respectively.