incorrect data in series books

[Arenda]

Done.
Also combined them with the matching French editions and created a series.

[Arenda]

Cover and other details added to
#3: https://www.goodreads.com/book/show/5...
#1: https://www.goodreads.com/book/show/5...
#2: https://www.goodreads.com/book/show/2...
#4: https://www.goodreads.com/book/show/1...

And found there is a French #5: added https://www.goodreads.com/book/show/3...

[Arenda]

Sorry, I don't get it. Is the link you provided from the publisher (and how did you get it when they no longer exist), or did you made the scan, or did you get the cover somewhere else?

[Arenda]

Mansuhr wrote: "a scan"
Your own?

[Arenda]

Added your scan: https://www.goodreads.com/book/show/2... and corrected the title according to the cover