TY  - BOOK
AU  - Summers, George J.,
TI  - New puzzles in logical deduction
T2  - Dover book of math and word puzzles, logic, curiosities of words, etc
SN  - 0486220893
AV  - GV1507.Q5 S84
PY  - 1968///
CY  - New York
PB  - Dover
KW  - Rompecabezas
ER  -