The second book of the series is Flyte.
The third book is Physik. You can find it at Borders or Barnes and Noble.
The first book is called Magyk.
Magyk
The Third book in the Ingo series is called 'The Deep'.
Book One: Magyk Book Two: Flyte Book Three: Physik Book Four: Queste Book Five: Syren Book Six: Darke (Not out yet.)
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 book came out ages ago
it will be called DARKE. :)
The third book in Cynthia Hand's Unearthly series is Boundless.
The third book in the Leviathan series is called Goliath.
I bought the book yesterday and you're so lucky that I can answer this question.Septimus Heap: Magyk consists of 564 pages.
The third book in the series is called A FAREWELL TO CHARMS