I'm not sure when I read her books, but my copy of Dragonflight was bought new and cost 85p... And - hold on...

My copy of 'Moreta, Dragonlady of Pern' has her autograph in it; and it was published in 1983. So I read it 24 years ago. Hopefully you'll excuse me if I'm a little fuzzy on remembering some of the details...
:-)

Also, yay for editing comments!!!