I'm really fond of pre-/early space age books on spacefaring. Have a couple myself from the Soviet side of things. A snapshot of the future from the times when

I'm really fond of pre-/early space age books on spacefaring. Have a couple myself from the Soviet side of things. A snapshot of the future from the times when there were incorrect elements in periodic table and it wasn't quite clear how well humans could tolerate zero-g. And illustrations are generally stunning.