Complex sentence: Little was a student at the University of West Florida studying psychology when he began playing poker with friends, as his interest in poker grew it lead him to study many books on poker such as The Theory of Poker by David Sklansky.
Split into simpler sentences: Little was a student at the University of West Florida studying psychology when he began playing poker with friends. As his interest in poker grew, it led him to study many books on poker, such as The Theory of Poker by David Sklansky.