TY  - BOOK
AU  - Kawashima,Ryuta
TI  - Train your brain: 60 days to a better brain 
SN  - 1846140048
U1  - 153 
PY  - 2007///
CY  - London
PB  - Penguin
KW  - Thought and thinking
KW  - Creative ability
KW  - Problem solving
N1  - First published by Kumon 2005 -- T.p. verso
ER  -