The phrase "sample chapters" refers to a small portion of a book or story that is provided to give readers a taste or preview of what the rest of the writing is like. Full definition
Download a free sample chapter of Create A Successful Website, which also includes the full table of contents so you can see the extensive topics covered. (paulawynne.com)
Each judge on the panel is responsible for reviewing your application and reading a couple of sample chapters from the work you submit. (rmfw.org)
43 % of parents currently read sample chapters online prior to purchasing a book, and an additional 18 % are interested in doing so in the future. (booknetcanada.ca)