163 books • 15 series
Book #5: The Gumby Gang Strikes Again
Book #1: Just William
Book #2: More William
Book #3: William Again
Book #34: William's Treasure Trove
Book #6: William's Secret Society
Book #5: William the Smuggler
Book #1: William's Birthday and Other Stories
Book #2: William and the Hidden Treasure and Other Stories
Book #3: William's Wonderful Plan and Other Stories
Book #4: William and the Prize Cat and Other Stories
Book #5: William's Haunted House and Other Stories