Complex sentence: As a student at the University of Texas School of Law in 1981, Garner began noticing odd usages in lawbooks--many of them dating back to Shakespeare--and they became the source material for his first book, "A Dictionary of Modern Legal Usage".
Split into simpler sentences: As a student at the University of Texas School of Law in 1981, Garner began noticing odd usages in lawbooks--many of them dating back to Shakespeare. These became the source material for his first book, "A Dictionary of Modern Legal Usage".