We have just learned that Paul Barnett, who wrote books under the pen name of John Grant, died on February 3rd from a heart attack in New Jersey, where he lived. He was 70.
For Lone Wolf fans, he is best known for writing the Legends of Lone Wolf, a series of 12 novels based on the gamebook series, between 1989 and 1994. He also wrote many science-fiction books and won many awards.
If you want to know more about John Grant's work, visit his entry at the Science-Fiction Encyclopedia: link