Sandra Brown - A Secret Splendor & Above And Beyond book descriptions:
A Secret Splendor
Divorced and devastated by the loss of her son, Arden Gentry feels utterly alone. But she has another son — a child she gave up at birth for reasons beyond her control. Arden is convinced that finding him will ease her overwhelming heartache. But after she arrives in the tropical paradise of Hawaii, where her son now lives, Arden starts to doubt her decision to contact him. Because she knows that finding him could resurrect all the half-truths, secrets and unspeakable lies that surrounded his birth.
Above and Beyond
When Sergeant Richard Stroud dies tragically while stationed overseas, he leaves behind his wife, Kyla, and their newborn son. Now Richard's best friend, Trevor Rule, has returned home from military duty carrying with him the box of letters Kyla sent her husband. Reading her gentle, passionate words, Trevor fell in love with his best friend's widow. Now he needs to convince Kyla that they have the right to be happy, to move past the pain of Richard's death. But Trevor is harboring a secret, one with the power to destroy the love he is trying so hard to protect.