90 books • 27 series
South Carolina (State Profiles)
Utah (State Profiles)
California (State Profiles)
(exclusive Only) the Astronaut's Atlas
Working Dogs (Dog Groups)
Sporting Dogs (Dog Groups)
Discovery: Head-To-Head: Natural Disasters (Head to Head)
Ancient China (Ancient Civilizations)
Ancient Rome (Ancient Civilizations)
Ancient Aztecs (Ancient Civilizations)
Ancient Egypt (Ancient Civilizations)
King Tut's Tomb (Digging Up the Past)
The Palace of Knossos (Digging Up the Past)
The Cave of Altamira (Digging Up the Past)
The Titanic (Digging Up the Past)
Pompeii (Digging Up the Past)
The Terra-Cotta Army (Digging Up the Past)
Smithsonian Dig It: Ocean Treasures (Smithsonian Dig It)
The Light Bulb (Inventions That Changed the World)
The Airplane (Inventions That Changed the World)
The Automobile (Inventions That Changed the World)
The Personal Computer (Inventions That Changed the World)
Escaping a Sinking Ship (Great Escapes in History)
The Loch Ness Monster (Investigating the Unexplained)