This is one of Heinlein's "juveniles"--books written for and about teen boys. In this one Kip Russell is trying out a space suit in his back yard when a flying saucer lands--and he gets kidnapped. I like Kip, Peewee, the eleven year old girl genius, and the "Mother Thing" alien they encounter in the...
One of Heinlein's early juveniles, this one has all the elements seen throughout his juvenile series: a plucky boy hero who's always wanted to go to space, precocious girl heroine (who fortunately is too young to be mooning over boys), Father Knows Best who turns out to be a hidden genius and former...