His son fell in love with the series and began asking for more of the stories. In the early 2000s, John decided to make the stories into the first novel, The Ruins of Gorlan, and it was published in 2004. 11 books comprise the main Ranger's Apprentice series.
John's son developed an affection for the series and requested more tales. In the early 2000s, John adapted these stories into a novel titled "The Ruins of Gorlan," which was released in 2004. The Ranger's Apprentice series comprises eleven books.