The third book in the series is called A FAREWELL TO CHARMS
The third book in the Leviathan series is called Goliath.
The third book of the Dormia series is called: The Shadow Tree.
The Third book in the Ingo series is called 'The Deep'.
The third book in Alyson Noel's Immortals series is called Shadowland.
The third book in the Cryptid Hunters series is called "Tentacles."
Yes, Tate Hallaway's Vampire Princess of St Paul series has a third book entitled Almost Everything.
The third book in the series is called Small Steps.
No, the third book in the series is called Spell Bound.
Chains of Reaction is the name of the third book in the Perfect Chemistry series.
It is called "Eclipse".
The Sight. The third series is called The Power of Three.
The third book in the Finishing School series by Gail Carriger is called Waistcoats & Weaponry.