"Happy Marriage" addresses topics such as love and romance, choosing a partner, sexual relations, and the art of communication. Her book was groundbreaking in its time and was praised for its frank and honest discussion of sexual matters, which was considered taboo in the early 1900s.
Other notable works by Olive Lord Ives include:
1. "How to Be a Good Wife" (1925)
2. "Sex Knowledge for Boys and Girls" (1927)
3. "The Modern Bride's Guide" (1931)
4. "The Doctor Answers Your Questions About Sex" (1933)
5. "The Child's Book of Prayer and Praise" (1939)
6. "The Parents' Book of Child Care" (1941)
7. "The Handbook for the Hospital Corpsmen" (1942)
Ives' writings primarily focused on topics related to marriage, family, and relationships, and she was considered an authority on these matters during her time. Her work contributed to a greater understanding of sexual health and promoted a more open and informed discussion of intimate matters.