41.   Both books are based on innovative opinion sampling.

42.   Both books are encouraging evidence of our ability to understand where we are going, even in tumultuous times.

43.   Both books are filled with information and lovely drawings.

44.   Both books are irresistibly readable.

45.   Both books are liberally sprinkled with warnings not to give out last names to strangers, and not to use e-mail forums or newsgroups without parental supervision or permission.

46.   Both books are richly evocative of that beautiful country and its charming, vivacious people.

47.   Both books are set in Houston.

48.   Both books are tongue-in-cheek fun tucked inside a bona fide history lesson.

49.   Both books became best-sellers.

50.   Both books emphasize the life rather than the poetry.