Complex sentence: Cole's work also appeared in the second issue with "Mrs. Hawker's Will", an episode he had written for the radio show; it was adapted from the script for the magazine by Laurence D. Smith.
Split into simpler sentences: Cole's work also appeared in the second issue with "Mrs. Hawker's Will". Originally an episode Cole had written for the radio show, it was adapted from the script for the magazine by Laurence D. Smith.