First edition, third printing of one of Heinlein's most popular books for young readers, nominated for the Hugo Award and winner of the Sequoyah Children's Book Award.
New York:Charles Scribner's Sons, 1958. A near fine copy in an about very good, unclipped dust jacket. Light shelfwear and rubbing to board extremities, binding sturdy. Internally clean with no markings. Jacket shows a bit of wear with rubbing, tape reinforcements to the exterior and verso, protected in archival mylar. A presentable copy.