What Makes a Father by Teresa Southwick
When ER doc Mason Blackburne discovers he is the biological father of twins, he's doubly thrilled But he still has to contend with Annie Campbell, the babies' legal guardian. At first he sees her as just the gatekeeper to his babies--and then he begins to view her in a whole new light. But Mason has a past that might keep him from giving Annie the love she craves.
The Nurse's Twin Surprise by Sue MacKay
ER nurse Molly O'Keefe is starting over. But she isn't ready to let sexy Dr. Nathan Lupton into her life. Still reeling from her painful past, Molly isn't sure she can trust her feelings--especially as Nathan wants a family she may not be able to give him. But then their irresistible temptation spills over--and results in a double baby surprise that could bond them together forever
Previously published as What Makes a Father and The Nurse's Twin Surprise