"Kayla Porter vowed to be a surrogate for her deceased sister's embryos. She's already given birth to her niece Sienna. But a clinic crisis means she's running out of time to fulfill her promise. She needs Donovan Murphy's help--if they can work around the explosive chemistry that's reignited between them! The tech tycoon agreed to be a sperm donor, not a father. But that changes when he meets his baby daughter Sienna. He will claim his little girl ... and her passionate, headstrong mother!"-- Page  of cover.