How to Make Bad Books Good

The Compound

 * Make the characters more useful (especially with Eli's mom. Other than being beautiful, she's useless), and add more character development.
 * Eli is less of an controlling b**ch.
 * Remove a lot of the parts were Eli is rude to his siblings.
 * Less product placement.

The Amazing Maurice and His Educated Rodents

 * Give "cat language" a better name. Seriously, "cat language".

Twilight

 * Remove the plot holes.
 * Make Edward a teenage boy without vampire features.
 * A zombie apocalypse is the climax.