91.   Both books were published originally in English by their Hispanic-American authors.

92.   Budding young scientists will enjoy both books.

93.   For both books, the embargo was mostly a marketing ploy.

94.   For in both books too, even as zero sheds light, it casts shadows.

95.   From both books, the volcanoes emerge as formidable characters in their own right.

96.   He argues in both books that policy makers should worry about morality and the social good, but not fund managers, because markets are inherently amoral.

97.   Hey, Geographic, why not send out both books, give your customers a lusty two-fer?

98.   In both books, her characters tend to struggle with their sexual impulses, and they generally lose the battle.

99.   In both books, one of the first victims is a book critic.

100.   In both books a key plot device involves assassinating a police officer.