- E-book100 Words Almost Everyone Confuses and MisusesEditors of the American Heritage Dictionaries
- E-book100 Words Almost Everyone Mixes Up or ManglesEditors of the American Heritage Dictionaries
- E-book100 Words Every High School Graduate Should KnowEditors of the American Heritage Dictionaries
- E-book100 Words Every 4th Grader Should KnowEditors of the American Heritage Dictionaries
- E-book100 Words Every High School Freshman Should KnowEditors of the American Heritage Dictionaries
- E-bookCurious George's DictionaryEditors of the American Heritage Dictionaries