4A
   Stepping Stones (Fantasy): Earth Magic
   Mallory Loehr
   Random House
   Paperback
   112
   5000
Polly와 Sam은 할아버지네 집 농장에서 신비스런 바위를 발견하게 되고 이것을 집으로 가지고 오려 하지만, 좀처럼 움직이질 않네요. 그리고 얼마되지 않아 신비스런 마법의 일이 일어나죠. 
과연 어떤 일이 일어날까요?