112 books • 17 series
Tennis (Amazing Sports)
Football (Amazing Sports)
Soccer (Amazing Sports)
El Cocodrilo (Planeta Animal)
Unicorns (Amazing Mysteries)
Vampires (Amazing Mysteries)
Mermaids (Amazing Mysteries)
El Delfín (Planeta Animal)
Cows (Grow with Me)
Goats (Grow with Me)
Chickens (Grow with Me)
Hoover Dam (Landmarks of America)
Mount Rushmore (Landmarks of America)
Egypt (Ancient Times)
Space Needle (Landmarks of America)
Golden Gate Bridge (Landmarks of America)
China (Ancient Times)
The Gateway Arch (Landmarks of America)
The Alamo (Landmarks of America)
Empire State Building (Landmarks of America)
Rome (Ancient Times)
Washington Monument (Landmarks of America)
Greece (Ancient Times)
Aztec Empire (Ancient Times)