POP-UP AND MOVEABLE. SKY-HI: A TRIP INTO SPACE WITH TERRY by Mara. Personal History Agency:1952. Obl. 4to, spiral backed bds, FINE IN ORIGINAL BOX (box lacks 2 flaps, some wear). Terry falls out of dreamland and begins to fly to the planets where he encounters each planet in humanized form. Illustrated by the author in bright colors on every page in typical 50's naivete and featuring 2 pop-ups, a rotating dial and a moveable die-cut figure of Terry on the cover. Printed on the box is: "Would you like to know more about our tremendous universe? If I get enough requests, I'll write another book!"