Second Sons, the complete series

A Regency romance series about 4 cavalrymen of the Scots Grey. Their hunt for a traitor leads them toward a more pleasurable pursuit.
This boxed set contains the complete series.

1. The Cryptographer
Everybody has a secret, but some are harder to decipher

2. The Cyprian
Seven days… with a courtesan weary of selling her body
Seven kisses… to steal her secrets, and her heart

3. The Conundrum
The brat … London's most gossiped about young lady
The brute … the Scots Grey's fiercest soldier

4. The Chrysalis
A mind shattered by torture… a body broken by war…Is love strong enough to heal their wounds?