Looking for old children's scifi book title...

[bryce]

I remember reading kids book when I was much younger - like in the 70's - and the story was about a kid who was going to visit another planet, but there was NO FTL, and sending ships at anywhere NEAR light speed was impossible - so the literally make a *taped* recording of his consciousness and beamed it off to the planet - where it was implanted in a robot duplicate dummy...and then when he was done which is trip the augmented tape of his consciousness, whith the trips memories experiences, was broadcast back to his Earth body....

But I can NOT remember the title or author. Ring a bell to anyone!?

I know that this is a commonly used trope NOW in novels and TV shows - but this was the 70's and kid's lit - and it BLEW MY MIND as a little boy...

I'm sure that I remember it being illustrated...and there was a drawing of a cassette-type tape being put in a robot body. But maybe I imagined it...

 

[publiusr]

I seem to remember a kid's anthology book--a Logan's Run type story (Dinner at Lothar's).

Also one where an alien was at an All You Can Eat type buffet--and he was trying to feed his planet--he just kept eating and the food was beamed from his gut in some way.