131 books • 42 series
¿Quién es Sonia Sotomayor? (¿Quién fue?)
¿Dónde está el Vaticano? (¿Dónde está?)
Where Is the North Pole? (Where Is...?)
Who Was Queen Elizabeth II? (Who Was...?)
Where Is the Congo? (Where Is...?)
Who Was Richard Nixon? (Who Was...?)
Where Is the Vatican? (Where Is...?)
Where Is the Bermuda Triangle? (Where Is...?)
Where Is Machu Picchu? (Where Is...?)
Where Is Easter Island? (Where Is...?)
Where Are the Galapagos Islands? (Where Is...?)
What Was the Age of the Dinosaurs? (What Was...?)
Who Is Sonia Sotomayor? (Who Was...?)
Where Is the Brooklyn Bridge? (Where Is...?)
Quien Fue Marie Curie? (Who Was...?) (Quien Fue? / Who Was?)
Who Was Michael Jackson? (Who Was...?)
Where Is Niagara Falls? (Where Is...?)
Where Is the White House? (Where Is...?)
Who Was Marie Curie? (Who Was...?)
Who Was Ulysses S. Grant? (Who Was...?)
Uc Who Is Michelle Obama? (Who Was...?)
Who Was Sally Ride? (Who Was...?)
Who Is Michelle Obama? (Who Was...?)
Max Saves the Day (Jeffrey and the Third-Grade Ghost)
