What do these people have in common with the characters from Liam Shea's novel?

This couple got married on July 6th of 1979 and headed to Carlsbad Caverns for their honeymoon. Little did they know that terrorists were about to take the caverns on July 10th.
What do they have in common with the couple in Liam Shea's novel "Midday's Starless Midnight?"
Everything!

This is a fictionalized story about the actual horrific 1979 event and the days leading to it.
Donald was the unluckiest man alive and it seemed the universe had turned on him to keep he and his bride from their honeymoon. The hyperlink to the sample reading of this story is below. Here how unlucky Donald really is as we catch up with him a few days before his wedding.  

"Midday's Starless Midnight" by Liam Shea is available at Amazon.com
Click on the book cover to go to the correct Amazon page.