On dustjacket frontcover.
Spot illustration (1 pg.) from story "Menace from Mars", Adventures into the Unknown (American Comics Group, 1948 series) #13.
Enlarged detail from story "Vigil among the Vampires", Adventures into the Unknown (American Comics Group, 1948 series) #16.
Introduction, emphasizing Emil Gershwin. Containing several private collection photographs of Emil Gershwin.
Lewis Carroll reference.
Letters from Deanna Terry, Janet Bishop & Judy Irving, and C. Roland.
The boglands (moors) of southwestern Denmark depicted more like Louisiana swampland than Danish moors.
Letters from Tom Greene, Carol Eversen, and J. D. Osborne.
Letters from Charles E. Steed, Claire Garceau, and Merle Allen.