One possible theme could be survival. If someone is the last one left, they must have endured some kind of ordeal. Another theme might be loneliness, as being the sole survivor can be a very isolating experience.
I'm sorry, I haven't read this novel specifically. But John D. MacDonald is known for his crime and mystery novels. It might be a story full of suspense, with complex characters and a plot that keeps you on the edge of your seat.
One of the best is 'The Deep Blue Good - by'. It has a great plot with complex characters and a vivid setting. The mystery in it keeps readers hooked from start to finish.
'The Dreadful Lemon Sky' is also a good choice for beginners. It's part of the Travis McGee series, but can be read as a standalone. It has an interesting mystery with plenty of twists and turns. The main character, Travis McGee, is very likable and the Florida setting adds a unique flavor to the story.
Some of his well - regarded novels include 'The Deep Blue Good - by'. It's a classic that combines elements of mystery and thriller. The story unfolds in a very engaging way with complex characters.
One of his well - known science - fiction works is 'The Girl, the Gold Watch & Everything'. It combines elements of science fiction with mystery and adventure. The concept of a special watch with unique powers is quite engaging.
John D. MacDonald did venture into science fiction. Some of his stories explored imaginative concepts and futuristic scenarios. His works in this area showcased his creativity beyond his usual genres.