It includes a wide range of articles on topics such as space Kickstarter projects, Science Fiction by Scientists, andSarah Brightman’s planned trip to the ISS.
It also includes the fourth installment of the reproduction of the Colliers Magazine series on space from 1952-1954. (See this previous posting about the third installment.)
In addition to the Horizons team, the project includes Scott Lowther.
The fourth issue is described as follows:
February 28, 1953: World’s First Space Suit
Man’s Survival in Space, 10 Contributors & 3 Artists, edited by Cornelius Ryan
Picking the Men, pp. 42-48.