Riddle: There once was a book that was only owned by the wealthy, but now everyone can have it. You can't buy it in a bookstore or take it from a library. What book is it?
Riddle: What goes up, but at the same time goes down, up to the sky and down to the ground, my present tense and my past tense too, lets go for a ride just me and you...
what am I?
Riddle: There was a green house. Inside the green house there was a white house. Inside the white house there was a red house. Inside the red house there were lots of babies.
What is it?