These books do not qualify as a series in Goodreads. To be a series on Goodreads, books need to have more than a common theme -- like characters in common, an overarching storyline, a shared universe, etc. These books can be grouped with a Listopia list.
Replacing or removing the cover of an existing edition is a violation of Goodreads policy. You can request an alternative book cover edition in the Book Cover Help folder.
Replacing or removing the cover of an existing edition is a violation of Goodreads policy. You can request an alternative book cover edition in the Book Cover Help folder.