Jackie Ashenden & Lorraine Hall 
HER VOW TO BE HIS DESERT EB [EPUB ebook] 
Her Vow to be His Desert Queen (Three Ruthless Kings) / Pregnant at the Palace Altar (Secrets of the Kalyva Crown)

Her promise… His royal claim!Khalil has never forgotten the marriage pact innocent Sidonie scribbled on a napkin five years ago. Now he’ll enforce it to save his kingdom! But can he convince Sidonie that he wants her for herself too…?”We are having twins.”King Diamandis finds solace in hard facts and duty. So, after a reckless night of abandon results in two heirs, marriage is non-negotiable! The challenge is convincing his former assistant Katerina to see that too…