While researching a topic, a student has taken the following notes:
- A copyright prevents a book’s contents from being reproduced (published) without permission from the copyright holder.
- When a book’s copyright expires, the book enters the public domain and can be legally reproduced by anyone.
- New Hampshire is a poetry collection by Robert Frost.
- It entered the public domain in 2019.
- Arrowsmith is a novel by Sinclair Lewis.
- It entered the public domain in 2021.