Take to the skies for learning adventures with Ronnie the Helicopter and his flying friends.
When Ronnie the Helicopter has problems lifting two pilots off the ground, he begins to doubt himself and loses confidence in his abilities.
But Ronnie soon learns that hot weather can make a helicopter feel weak and slow.
Learn all about STEM and how weather matters with Ronnie the Helicopter and Dr.
Ana, and see Ronnie gain back his confidence .
Hop Cfi Ronnie the helicopter: weather matters, hardcover/david hoppmann
