The get along gang books

Copy right © 1984 by American Corp. All rights reserved. Published by scholastic Inc. Printed in U.S.A.

°The Get Along Gang tm, is a trademark of American Greetings Corp.
Scholastic inc. New york·Toronto·London·Auckland·Sydney·Tokyo
° I am not reall sure what it means when this book is a trade mark of these places.
- Iam not really familiar with books..
°It looks like all the cover art was made by: James Montgomery Elliot (based on the cover by C.S. Ewing Produced by George Thomas Charouhas)

·The Get Along Gang And The Big Bully: Adopted by Margo Lundell
Inerior illustrations by Darrell Baker...
·The Get Along Gang And The New Neighborhood: Adopted from the story by Sonia Black. Interior illustrations by David Gantz
· The Get Along Gang And The Missing Caboose: Adopted from the story by James Razzi. Interior illustrations by A.O. Williams.....

If anyone knows anything like what means that those people adopted the books? Is 1984 books collectable?

Thanks!