- I Am a Star
- I am Abraham Lincoln
- I am Anne Frank
- I am Benjamin Franklin
- I am Brave
- I am Curious
- I am Frida Kahlo
- I am Gandhi
- I am George Washington
- I am Kind
- I am Leonardo da Vinci
- I am Martin Luther King, Jr.
- I Am Not a Number
- I am Sacagawea
- I Am Sasha
- I Live in Arizona
- I Live in Delaware
- I Live in Kansas
- I Live In South Carolina
- I miracoli esistono. La storia di Giorgio Perlasca
- I Pledge Allegiance to the Flag
- Five Epic Disasters (I Survived True Stories #1)
- I Want to Be a Brachiosaurus
- I Want to Be a Triceratops
- I Want to Be a Tyrannosaurus Rex
- I Want to Be a Velociraptor
- I Will Protect You
- I Wonder About the Qur'an
- Ice Wreck
- Ickstory
- If I Were A Pirate
- If You Lived During the Civil War
- If You Lived During the Plimoth Thanksgiving
- If You Want a Friend in Washington
- Iguanodon
- Iguanodon (Enhanced Edition)
- Iguanodon and Other Bird-Footed Dinosaurs
- Immigrants To America
- Immigration
- Imperialism: Expanding Empires
- Important People in American History
- In Holland Stands a House
- In New York
- In New York: Interactive Edition
- In the Bag!
- Inca
- Indelible Ann
- Independence Hall
- Independent Dames
- India
- Indian Boyhood
- Indonesia
- Indonesia (Enhanced Edition)
- Industrial Giants
- Industrial Revolution
- Indígenas de California
- Ingeniería asombrosa El London Eye: Números pares e impares
- Ingeniería asombrosa Monumentos del mundo: Suma y resta
- Ingeniería asombrosa: El London Eye: Números pares e impares: Read-along ebook
- Ingeniería asombrosa: Monumentos del mundo: Suma y resta: Read-along ebook
- Innovaciones del siglo XIX: Abrir el camino
- Innovaciones del siglo XIX: Abrir el camino: Read-along eBook
- Inside the US Air Force
- Inside the US Army
- Inside the US Marine Corps
- Inside the US Navy
- Interview with the Ghost of Henry VIII
- Interview with the Ghost of Qin Shi Huang The First Emperor of China
- Interview with the Ghost of Queen Victoria
- Interview with the Ghost of Tutankhamun
- Invention of Electricity
- Invention of Flight
- Invention of Phones
- Invention of Robotics
- Invention of Space Exploration
- Invention of the Combustion Engine
- Iran
- Iran (Enhanced Edition)
- Iron Rails, Iron Men, and the Race to Link the Nation
- Israel
- Israel (Enhanced Edition)
- Issac Newton And Gravity
- It All Started in Africa
- It's a Pain to Be a Princess!
- It's a Round, Round World!
- Italy
- Italy (Enhanced Edition)