If you like late-period Heinlein, it's good. Or at least fun. If you feel his work declined after or starting with Stranger, then this novel will fulfill your

If you like late-period Heinlein, it's good. Or at least fun. If you feel his work declined after or starting with Stranger, then this novel will fulfill your expectations. There's nothing really ground-breaking in it (at least, from the standpoint of the late 1980s, when I read it).