Hi Moiraine!
I copied the following list from
www.elfquest.com . It appears that they may be in stock and ordered with the ISBN numbers.
#1 - Fire and Flight (ISBN 0-936861-55-X)
#2 - The Forbidden Grove (ISBN 0-936861-56-8)
#3 - Captives of Blue Mountain (ISBN 0-936861-57-6)
#4 - Quest's End (ISBN 0-936861-58-4)
#5 - Siege at Blue Mountain (ISBN 0-936861-59-2)
#6 - The Secret of Two-Edge (ISBN 0-936861-60-6)
#7 - The Cry from Beyond (ISBN 0-936861-61-4)
#8 - Kings of the Broken Wheel (ISBN 0-936861-62-2)
#8a - Dreamtime (ISBN 0-936861-52-5)
#9 - Rogue's Curse (ISBN 0-936861-72-X)
#9a - Wolfrider! (ISBN 0-936861-67-3)
#9b - Blood of Ten Chiefs (ISBN 0-936861-68-1)
#9c - Kahvi (ISBN 0-936861-74-6)
#9d - Chief's Howl (scheduled May 2001; ISBN 0-936861-69-X)
#10 - Shards (ISBN 0-936861-42-8)
#11 - Legacy (ISBN 0-936861-45-2)
#11a - Huntress (ISBN 0-936861-46-0)
#11b - Wild Hunt (ISBN 0-936861-70-3)
#11c - Shadowstalker (scheduled November 2000; ISBN 0-936861-75-4)
#12 - Ascent (ISBN 0-936861-43-6)
#12a - Reunion (ISBN 0-936861-44-4)
#13 - The Rebels (ISBN 0-936861-47-9)
#13a - Skyward Shadow (ISBN 0-936861-49-5)
#14 - Jink! (ISBN 0-936861-48-7)
#14a - Mindcoil (ISBN 0-936861-50-9)
#15 - Forevergreen (ISBN 0-936861-64-9)
#15a - Dream's End (scheduled February 2001; ISBN 0-936861-65-7)
#15b - Phoenix (scheduled August 2001; ISBN 0-936861-66-5)
#16 - WaveDancers (ISBN 0-936861-71-1)
#? - Worldpool (ISBN 0-936861-73-8)
Here is a link to the page with some desciptions about the books:
http://www.elfquest.com/Elfquest/Guide.html
Hope this is useful!
Mark