• The Hollywood Sisters
• The Holocaust
• The Holocaust Remembered Series
• The Horned Avenger
• The Hulk
• The Human Body
• The Human Body Library
• The Human Machine
• The Hunchback Assignments
• The Hundred-Mile-An-Hour Dog
• The Hungry City Chronicles
• The IBM Research Symposia Series
• The Ice Horse Adventures
• The Icemark Chronicles
• The Illmoor Chronicles
• The Illus Children's Library
• The Illustrated Children's Library
• The Imager Chronicles
• The Imaginary Veterinary
• The Immortals
• The Incredible Hulk
• The Incredible Hulk 8x8
• The Incredible Worlds of Wally McDoogle
• The Incredible Worlds of Wally Mcdoogle, No2
• The Indian in the Cupboard
• The Infernal Devices
• The Inheritance Cycle
• The Intergalactic Bed and Breakfast
• The International Cryogenics Monograph Series
• The Invisible Detective
• The Invisible World
• The Iremonger Trilogy
• The Isis Trilogy
• The Island Hunters
• The It Girl
• The Jack Henry Adventures
• The Jataka Tales Series
• The Jazlyn J Series
• The Jeff Corwin Experience
• The Johnny Maxwell Trilogy
• The Jolly Postman
• The Julie Andrews Collection
• The Junior Classics
• The Junior Library of American Indians
• The Junior Su Doku Series
• The Just Grace Series
• The Kane Chronicles
• The Keiki's First Book Series
• The Keys to the Kingdom
• The Kid Can Press Wildlife Series