TY  - BOOK
AU  - Snape,Charles
AU  - Scott,Heather
TI  - How amazing
SN  - 0521356725
U1  - 793.73 23
PY  - 1992///.
CY  - Cambridge: 
PB  - Cambridge University Press, 
KW  - Mathematical recreations
KW  - Maze puzzles
ER  -