107 books • 23 series
Major League Soccer (Soccer Leagues)
Premier League (Soccer Leagues)
Bundesliga (Soccer Leagues)
Bottlenose Dolphins (The Ultimate Animal Library)
Red Foxes (The Ultimate Animal Library)
Bengal Tigers (The Ultimate Animal Library)
Gray Wolves (The Ultimate Animal Library)
Grizzly Bears (The Ultimate Animal Library)
Giant Pandas (The Ultimate Animal Library)
Billie Jean King and the Battle of the Sexes (Greatest Moments in Sports)
Off to the Races!: Secretariat and the Triple Crown (Greatest Moments in Sports)
Going for Gold: Wilma Rudolph and the 1960 Olympics (Greatest Moments in Sports)
Great Smoky Mountains National Park (U.S. National Parks)
Zion National Park (U.S. National Parks)
Yellowstone National Park (U.S. National Parks)
Glacier National Park (U.S. National Parks)
Skateboards (Favorite Toys)
Lego Bricks (Favorite Toys)
Action Figures (Favorite Toys)
Norway (Country Profiles)
Belgium (Country Profiles)
El Salvador (Country Profiles)
Chile (Country Profiles)
Flight 19: Lost in the Bermuda Triangle (Paranormal Mysteries)