Neptune Books in Order
FAQ
How many books are in the Neptune series?
2 books
When will the next book in the series be released?
No new book is currently scheduled. The latest book, The Neptune Challenge, was published in May 2015.
When was the most recent book released?
The Neptune Challenge was published in May 2015.
What was the first book in the series?
The first book in the series is The Neptune Project, published in May 2013.
What genre is the Neptune series?
The series primarily falls into the Action Adventure genre.
Is the Neptune series finished?
The series does not currently have a new book scheduled.
More Series Like Neptune
If you enjoyed Neptune, here are more action adventure series to explore.
