TY  - BOOK
AU  - Sherard III, Wade H.
AU  - Gage, Rachel
TI  - Logic Algebra problems
SN  - 9780866515368
AV  - S55 L 
U1  - 512 
PY  - 1990///
CY  - London : 
PB  - Dale Seymour Publications, 
N2  - 50 number puzzles encouraging problem solving & critical thinking skills for secondary students with an algebra background; each puzzle has 10 clues to help find an unknown number; answer key included
ER  -