Answer:
Certainly! Here are three famous novels written by male authors who were under the age of 30 when the books were published:
1. 1984 by George Orwell, published in 1949, age: 34.
2. To Kill a Mockingbird by Harper Lee, published in 1960, age: 29.
3. The Great Gatsby by F. Scott Fitzgerald, published in 1925, age: 28.