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Haldeman proves the old Heinlein juvenile is alive and well, though I'm not sure his take on it will hold up as well as Heinlein's did. Carmen Dula's family is on its way to the first human Mars colony, where they will spend the next five years and possibly settle for life. On the way, she sort of falls in love with the ship's pilot -- he's in his thirties and she's nineteen, which makes their relationship just a bit creepy. Once on Mars, of course, she makes a Discovery that Changes Everything.

I liked it, but I'm a little surprised to see there are sequels, and am not sure I want to keep following the story. All the right beats are there, but the story and style just aren't as precise as I like a good YA novel to be.