Vol 5, No 10.
Library of Congress copyright record shows publication date 1930-12-05
Page numbers run 865-960.
The cover illustrates "The Prince of Space."
Cover art is not credited; the artwork is signed "Leo Morey."
Interior art is credited at the start of each story.
Story art for "The Prince of Space" on page 871 is credited to "Morey"; the artwork is signed "Leo Morey."
Story art for "Tanks Under the Sea" on page 897 is credited to "Morey"; the artwork is signed "Leo Morey."
Story art for "The Black Hand" on page 909 is credited to and signed "Morey."
Story art for "Via the Time Accelerator" on page 913 is credited to "Morey"; the artwork shows no signature.
Story art for "The Drums of Tapajos (Part 3 of 3)" on pages 924-925 is credited to and signed "Paul."
Story art for "The Act of Retipuj" on page 947 is credited to "Wesso"; the artwork is signed "HWesso."
"What Do You Know?" is a list of questions about science facts. With each is listed the story page number on which the answer can be found.
"Discussions" is a letters column.
"In the Realm of Books" is a book review column.