The text covers the 1st two Sputnik launches, the planned X-15 tests, space stations, rocket theory, planned Moon landings and atomic powered space craft.
Also across from the cover page is this image:
And finally this is the image of the endpapers. It is a little hard to see on the plate so I enhanced and false-colored it so you could see the image. If the image looks familiar it is a different version of the one I use behind the title of my blog.