Original sentence: He is also the author of A Terrible Aspect, a fictional biography of Avon closely modeled on his character in the series.The popularity of his role as Avon has tended to overshadow his numerous other accomplishments in the theater and on television
Edited sentence: He is also the author of A Terrible Aspect, a fictional biography of Avon closely modeled on his character in the series, showing himself to be a talented if somewhat undisciplined storyteller.It is perhaps unfortunate that the popularity of his role as Avon has tended to overshadow his numerous other accomplishments in the theater and on television, many of which deserve to be better known