ALEXANDRIA, Va., July 21 -- United States Patent no. 12,688,521, issued on July 21.

"Method and system for offering books for preview in ecommerce" was invented by Ashish K Mithal (Chelmsford, Mass.) and Amad Tayebi (Westford, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of providing a preview version of a book over a computer network, the method comprising: apportioning the book into a plurality of content segments; modifying the book by rearranging at least a subset of the plurality of content segments to create a shuffled configuration of the book; initiating a preview session and displaying at least a first content segment from said shuffled configuration of the book in a preview window;...