Bob Williams 
Boy, the Horse, and the Balloon [EPUB ebook] 

Timmy is given a wonderful red balloon. While playing with it in the fields he lets go of the string and the wind carries it away. A horse and a bird agree to help him get it back, and all is well again. Timmy learns the benefits of kindness and co-operation, and is careful not to let go of the balloons string again! Colorful and striking illustrations throughout by the author will make this a hit with any child.