Do you mean the most recent book written or the very last book in the series? The most recent book written is book 5: Syren, but there are going to be 2 other books to make 7 (you know how the whole series is based around the number seven, right?)
The first book is called Magyk.
The third book is Physik. You can find it at Borders or Barnes and Noble.
Magyk
Book One: Magyk Book Two: Flyte Book Three: Physik Book Four: Queste Book Five: Syren Book Six: Darke (Not out yet.)
it will be called DARKE. :)
The book came out ages ago
The third book in the "Septimus Heap" series by Angie Sage is titled "Physik". It follows the adventures of Septimus Heap as he discovers his magical abilities and faces new challenges in the magical world.
There are 564 pages in "Flyte," which is the second book in the Septimus Heap series written by Angie Sage.
The sixth book of the septimus heap series is going to be called "Darke" but isn't due to release until around April 2011. The other five books are: Magyk Flyte Physik Queste Syren and also The Magykal Papers (a companion book)
Magyk is worth 18 points. The reading level is 6.0. There are reading practice test and a vocabulary test for this book.
Yes it just came out, it is called DARKE
As of now, there is not a fifth book to the Luxe series. The last book to come out was called Splendor and is the fourth and possibly last book of the series.