The Rocket eBook was an early popular e-book

E-book

An electronic book is a book-length publication in digital form, consisting of text, images, or both, and produced on, published through, and readable on computers or other electronic devices. Sometimes the equivalent of a conventional printed book, e-books can also be born digital...

 reader. It was manufactured by NuvoMedia until 2000, when it was purchased by Gemstar-TV Guide International

Gemstar-TV Guide International

Gemstar-TV Guide International, Inc. was a media company that licensed interactive program guide technology to multichannel operators, such as cable and satellite television providers, and consumer electronics manufacturers, video recorder scheduling code under brands such as VCR Plus, published TV...

.

Rocket-compatible e-books were sold through the websites of Barnes & Noble

Barnes & Noble

Barnes & Noble, Inc. is the largest book retailer in the United States, operating mainly through its Barnes & Noble Booksellers chain of bookstores headquartered at 122 Fifth Avenue in the Flatiron District in Manhattan in New York City. Barnes & Noble also operated the chain of small B. Dalton...

 as well as Powell's Bookstore.

After purchasing NuvoMedia (and merging them with SoftBook Press, Inc.), Gemstar released an updated eBook Reader called the RCA eBook Reader.