According to an AI search assistant, the book in question was this one:
The other book was published in 1975, over 25 years after Sands of Iwo Jima was made.
Something of an odd title for a US Marine to be reading....
Also, according to Amazon, this book was first published in 1975. Could you have meant this title instead - published in 1944?
Unlike Montgomery, this actress was never a star of a TV series, but a supporting actress. However, she did win an Emmy Award while working on a TV series in the 1960's that ran for 8 seasons.