Merge single into series

[Joanne]

This book, which says there is only one version/ edition
https://www.goodreads.com/book/show/2...
Should be merged with the main version at
https://www.goodreads.com/book/show/5...

[minzi]

Done.

Please note for future requests: This request should have better been put into the "Book & Author Page Issues" folder. See https://www.goodreads.com/topic/show/.... Thank you!

Best, minizi