Curious George and his friend are going on vacation on an airplane. At check-in, the ticket clerk gives George a toy airplane to play with, but he soon loses it and has a few adventures trying to find it again. What an exciting start to his vacation! Learning concepts: modes of transportation Level one in Houghton's new Curious George reader line means that the text is minimal and simple, perfect for readers learning to sound out words while looking at the art for visual clues.