TY  - BOOK
AU  - Pai, Roopa
AU  - Mahajan, Shobhit(Tr.)
TI  - दीदी, दीदी, चीज़ें ऊपर क्यों नहीं गिरती हैं?/ Didi, didi, cheezein upar kyon nahin girti hain? 
SN  - 9788182632592
U1  - PAI 
PY  - 2005///
CY  - Bangalore
PB  - Pratham books
KW  -  Hindi short stories
KW  - Children's fiction story
N1  - Illustrated by Greystroke ; Original story in english Sister, sister, why don't things fall up?
ER  -