Gary Paulsen

The Legend of Red Horse Cavern is the first novel in the World of Adventure series by Gary Paulsen. It was first published on September 1, 1994 by Yearling.

The River, also known as The Return and Hatchet: The Return, is a 1991 young adult novel by Gary Paulsen. It is the second installment in the Hatchet series, but chronologically the third with Brian's Winter serving as an alternative second book.

The Rock Jockeys is the fourth novel in the World of Adventure series by Gary Paulsen. It was published on March 1, 1995 by Random House. It was later retitled Devil's Wall by Macmillan Children's Books in the UK and released on April 9, 1999.

The Seventh Crystal is the twelfth novel in World of Adventure series by Gary Paulsen. It was published on July 1, 1996 by Random House.