Book added, books combined into series

[Novel]

I'm not sure about print versions of the books, but you can see all 4 books of this series listed on Audible. They list the date of release as well. All 4 should be included as part of Secrets & Spies series.

[Betsy]

I'm sorry, what books?

[Novel]

https://www.goodreads.com/author/show...

For Jo Macauley. I had the links here before, not sure what happpened to them. The 4 books in the series are shown here on Audible. http://www.audible.com/search/ref=a_m...

[Z-squared]

I've updated the series to include all 4 books, and I've added all the audible audiobook editions. You can see the series page here:

https://www.goodreads.com/series/1114...