Bug Eyes - All Bugged Out

Bugs are small, yet they have a slew of exotic powers. This alone puts kids on the side of bugs. When they read about them, they can imagine having the same amazing skills.
Of course, there is always the gross-out factor to think about, too. Society has declared that bugs are gross, which makes them instantly interesting to some children. Making insect-fearing parents squirm can be an incentive to read all by itself.