TY  - BOOK
AU  - Snowdon,Les
AU  - Humphreys,Maggie
TI  - The walking diet: walk back to fitness in 30 days 
SN  - 0140168656
U1  - 613.7176 
PY  - 1992///.
CY  - London: 
PB  - Penguin Books, 
KW  - Fitness walking
KW  - Physical fitness
KW  - Reducing diets
ER  -