Philadelphia, Toronto: The John C. Winston Company, [1953]. Octavo, stiff pictorial wrappers. First edition, later issue. A small scientific expedition travels back in time to the Jurassic period where they are stranded and menaced giant reptiles. Part of the classic Winston science fiction series for young readers published between 1952 and 1961. These later issues are often called in error advance copies. This has the "first edition" statement on the copyright page, but is bound in a later printing dust jacket (listing 29 volumes in the series on the rear panel, rather than the 20 listed on first printing jackets for this title) which is adhered to unprinted stiff white wrappers.

Philadelphia, Toronto: The John C. Winston Company, [1958]. Octavo, jacket illustration by Alex Schomburg, cloth. Later, second printing. Earth's first mission to the Moon goes awry when their crippled ship crash lands on the lunar surface and the astronauts are stranded there. This author gained vast popularity writing under his well-known pseudonym of Ed McBain, he has three books in the Winston series (one under his real name). Part of the popular Winston juvenile series published between 1952-1961, which introduced many young readers to science fiction.