[Done] Correct series name and add books

[Alex]

Please correct the title of the West Oak Heroes series which is missing the "s" on the word "heroes"

Series: https://www.goodreads.com/series/3670...

Also please add the following books to the series:

Book 4: https://www.goodreads.com/book/show/1...
Book 5: https://www.goodreads.com/book/show/1...
Book 6: https://www.goodreads.com/book/show/1...

[Lola]

Done - https://www.goodreads.com/series/3670...

Changes might take some time. Please add [Done] to the topic :)